chore: Remove availability annotations (#6759)

Co-authored-by: Philipp Hofmann <philipp.hofmann@sentry.io>

Author: noahsmartin

Samples/SentrySampleShared/SentrySampleShared/DSNDisplayViewController.swift

@@ -12,11 +12,7 @@ class DSNDisplayViewController: UIViewController {
     override init(nibName nibNameOrNil: String?, bundle nibBundleOrNil: Bundle?) {
         super.init(nibName: nibNameOrNil, bundle: nibBundleOrNil)
 
-        if #available(iOS 13.0, *) {
-            view.backgroundColor = .systemFill
-        } else {
-            view.backgroundColor = .lightGray.withAlphaComponent(0.5)
-        }
+        view.backgroundColor = .systemFill
 
         label.numberOfLines = 0
         label.lineBreakMode = .byCharWrapping

Samples/SentrySampleShared/SentrySampleShared/SampleAppDebugMenu.swift

@@ -7,10 +7,8 @@ public class SampleAppDebugMenu: NSObject {
     static var displayingMenu = false
 
     let window = {
-        if #available(iOS 13.0, *) {
-            if let scene = UIApplication.shared.connectedScenes.first as? UIWindowScene {
-                return Window(windowScene: scene)
-            }
+        if let scene = UIApplication.shared.connectedScenes.first as? UIWindowScene {
+            return Window(windowScene: scene)
         }
         return Window()
     }()
@@ -51,7 +49,6 @@ public class SampleAppDebugMenu: NSObject {
 
     class Window: UIWindow {
 
-        @available(iOS 13.0, *)
         override init(windowScene: UIWindowScene) {
             super.init(windowScene: windowScene)
             commonInit()

Samples/SentrySampleShared/SentrySampleShared/SentrySDKWrapper.swift

@@ -153,9 +153,7 @@ public struct SentrySDKWrapper {
         }
 
 #if !os(macOS) && !os(tvOS) && !os(watchOS) && !os(visionOS)
-        if #available(iOS 13.0, *) {
-            options.configureUserFeedback = configureFeedback(config:)
-        }
+        options.configureUserFeedback = configureFeedback(config:)
 #endif // !os(macOS) && !os(tvOS) && !os(watchOS) && !os(visionOS)
 
         options.enableLogs = true
@@ -251,7 +249,6 @@ public struct SentrySDKWrapper {
 
 #if !os(macOS) && !os(tvOS) && !os(watchOS) && !os(visionOS)
 // MARK: User feedback configuration
-@available(iOS 13.0, *)
 extension SentrySDKWrapper {
     var layoutOffset: UIOffset { UIOffset(horizontal: 25, vertical: 75) }
 

Samples/iOS-Swift/iOS-Swift-UITests/LaunchUITests.swift

@@ -55,11 +55,8 @@ class LaunchUITests: BaseUITest {
         app.buttons["showSplitViewButton"].tap()
 
         app.navigationBars["iOS_Swift.SecondarySplitView"].buttons["Root ViewController"].waitForExistence("SplitView not loaded.")
-        
-        // This validation is currently not working on iOS 12 and iOS 10.
-        if #available(iOS 13.0, *) {
-            assertApp()
-        }
+
+        assertApp()
     }
 
     func testCheckSlowAndFrozenFrames() {
@@ -114,10 +111,6 @@ class LaunchUITests: BaseUITest {
      * transaction leads to the ASAN error.
      */
     func testUseAfterFreeAfterUIImageNamedEmptyString() throws {
-        guard #available(iOS 14, *) else {
-            throw XCTSkip("Only run for iOS 14 or later")
-        }
-
         let app = XCUIApplication()
 
         // this primes the state required according to the customer report, by setting a UIImageView.image property to a UIImage(named: "")

Samples/iOS-Swift/iOS-Swift/AppDelegate.swift

@@ -25,35 +25,20 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
         SentrySDKWrapper.shared.startSentry()
         SampleAppDebugMenu.shared.display()
 
-        if #available(iOS 15.0, *) {
-            metricKit.receiveReports()
-        }
+        metricKit.receiveReports()
 
         return true
     }
 
     func applicationWillTerminate(_ application: UIApplication) {
-        if #available(iOS 15.0, *) {
-            metricKit.pauseReports()
-        }
+        metricKit.pauseReports()
 
         randomDistributionTimer?.invalidate()
         randomDistributionTimer = nil
     }
 
     // Workaround for 'Stored properties cannot be marked potentially unavailable with '@available''
-    private var _metricKit: Any?
-    @available(iOS 15.0, *)
-    fileprivate var metricKit: MetricKitManager {
-        if _metricKit == nil {
-            _metricKit = MetricKitManager()
-        }
-        
-        // We know the type so it's fine to force cast.
-        // swiftlint:disable force_cast
-        return _metricKit as! MetricKitManager
-        // swiftlint:enable force_cast
-    }
+    private var metricKit = MetricKitManager()
 
     /**
      * previously tried putting this in an AppDelegate.load override in ObjC, but it wouldn't run until

Samples/iOS-Swift/iOS-Swift/ExtraViewController.swift

@@ -60,18 +60,14 @@ class ExtraViewController: UIViewController {
 
   @IBAction func highEnergyCPU(_ sender: UIButton) {
     highlightButton(sender)
-    if #available(iOS 15.0, *) {
-      batteryConsumer = BatteryConsumer(qos: .userInitiated)
-      batteryConsumer?.start()
-    }
+    batteryConsumer = BatteryConsumer(qos: .userInitiated)
+    batteryConsumer?.start()
   }
 
   @IBAction func lowEnergyCPU(_ sender: UIButton) {
     highlightButton(sender)
-    if #available(iOS 15.0, *) {
-      batteryConsumer = BatteryConsumer(qos: .background)
-      batteryConsumer?.start()
-    }
+    batteryConsumer = BatteryConsumer(qos: .background)
+    batteryConsumer?.start()
   }
 
   @IBAction func stopUsingEnergy(_ sender: UIButton) {
@@ -187,7 +183,6 @@ class ExtraViewController: UIViewController {
         self.present(safariVC, animated: true)
     }
 
-    @available(iOS 13.0, *)
     @IBAction func openAuthenticationServicesWebView(_ sender: UIButton) {
         let url = URL(string: "https://sentry.io/auth/login/")!
         let session = ASWebAuthenticationSession(url: url, callbackURLScheme: "sentry-callback") { url, error in
@@ -394,19 +389,11 @@ class ExtraViewController: UIViewController {
     }
 
     @IBAction func showFeedbackWidget(_ sender: Any) {
-        if #available(iOS 13.0, *) {
-            SentrySDK.feedback.showWidget()
-        } else {
-            showToast(in: self, type: .warning, message: "Feedback widget only available in iOS 13 or later.")
-        }
+        SentrySDK.feedback.showWidget()
     }
 
     @IBAction func hideFeedbackWidget(_ sender: Any) {
-        if #available(iOS 13.0, *) {
-            SentrySDK.feedback.hideWidget()
-        } else {
-            showToast(in: self, type: .warning, message: "Feedback widget only available in iOS 13 or later.")
-        }
+        SentrySDK.feedback.hideWidget()
     }
 
     @IBAction func showCameraUIAction(_ sender: Any) {
@@ -425,7 +412,6 @@ class ExtraViewController: UIViewController {
     }
 }
 
-@available(iOS 13.0, *)
 extension ExtraViewController: ASWebAuthenticationPresentationContextProviding {
     func presentationAnchor(for session: ASWebAuthenticationSession) -> ASPresentationAnchor {
         guard let window = view.window else {

Samples/iOS-Swift/iOS-Swift/Tools/EnergyConsumer.swift

@@ -13,7 +13,6 @@ final class BatteryConsumer {
   private let lock = NSLock()
   private var running = false
 
-  @available(iOS 15.0, *)
   func start() {
     lock.lock()
     defer { lock.unlock() }

Samples/iOS-Swift/iOS-Swift/Tools/MetricKitManager.swift

@@ -2,7 +2,6 @@ import Foundation
 import MetricKit
 import Sentry
 
-@available(iOS 14.0, *)
 class MetricKitManager: NSObject, MXMetricManagerSubscriber {
     func receiveReports() {
         let shared = MXMetricManager.shared

Samples/iOS-Swift/iOS-Swift/Tools/TriggerAppHang.swift

@@ -26,7 +26,6 @@ func triggerFullyBlockingAppHangThreadSleeping() {
 }
 
 // Blocks the main thread for 5 seconds while decoding an image in a loop.
-@available(iOS 15.0, *)
 func triggerFullyBlockingAppHangWithImageDecoding() {
 
     let currentTime = Date()

Samples/iOS-Swift/iOS-Swift/TransactionsViewController.swift

@@ -138,11 +138,7 @@ class TransactionsViewController: UIViewController {
     }
 
     @IBAction func appHangFullyBlockingBusyMainThread(_ sender: Any) {
-        if #available(iOS 15.0, *) {
-            triggerFullyBlockingAppHangWithImageDecoding()
-        } else {
-            triggerFullyBlockingAppHangThreadSleeping()
-        }
+        triggerFullyBlockingAppHangWithImageDecoding()
     }
 
     @IBAction func captureTransaction(_ sender: UIButton) {