Add -verify-ignore-unrelated where necessary (NFC)

These are tests that fail in the next commit without this flag. This
does not add -verify-ignore-unrelated to all tests with -verify, only
the ones that would fail without it. This is NFC since this flag is
currently a no-op.

Author: hnrklssn

test/APINotes/basic.swift

@@ -1,4 +1,4 @@
-// RUN: %target-typecheck-verify-swift -I %S/Inputs/custom-modules -F %S/Inputs/custom-frameworks
+// RUN: %target-typecheck-verify-swift -verify-ignore-unrelated -I %S/Inputs/custom-modules -F %S/Inputs/custom-frameworks
 import APINotesTest
 import APINotesFrameworkTest
 

test/APINotes/broken-swift-name.swift

@@ -1,4 +1,4 @@
-// RUN: %target-typecheck-verify-swift -I %S/Inputs/broken-modules
+// RUN: %target-typecheck-verify-swift -verify-ignore-unrelated -I %S/Inputs/broken-modules
 import BrokenAPINotes
 
 func testBrokenSwiftName(x: inout ZXSpectrum) {

test/APINotes/obsoleted.swift

@@ -1,6 +1,6 @@
-// RUN: not %target-swift-frontend -typecheck -verify -I %S/Inputs/custom-modules -F %S/Inputs/custom-frameworks -swift-version 4 %s
-// RUN: %target-swift-frontend -typecheck -verify -I %S/Inputs/custom-modules -F %S/Inputs/custom-frameworks -swift-version 4.2 %s
-// RUN: %target-swift-frontend -typecheck -verify -I %S/Inputs/custom-modules -F %S/Inputs/custom-frameworks -swift-version 5 %s
+// RUN: not %target-swift-frontend -typecheck -verify -verify-ignore-unrelated -I %S/Inputs/custom-modules -F %S/Inputs/custom-frameworks -swift-version 4 %s
+// RUN: %target-swift-frontend -typecheck -verify -verify-ignore-unrelated -I %S/Inputs/custom-modules -F %S/Inputs/custom-frameworks -swift-version 4.2 %s
+// RUN: %target-swift-frontend -typecheck -verify -verify-ignore-unrelated -I %S/Inputs/custom-modules -F %S/Inputs/custom-frameworks -swift-version 5 %s
 // REQUIRES: objc_interop
 import ObsoletedAPINotesTest
 

test/AssociatedTypeInference/missing_conformance.swift

@@ -1,4 +1,4 @@
-// RUN: %target-typecheck-verify-swift
+// RUN: %target-typecheck-verify-swift -verify-ignore-unrelated
 
 // Test candidates for witnesses that are missing conformances
 // in various ways.

test/AssociatedTypeInference/type_witness_from_parameterized_protocol.swift

@@ -1,4 +1,4 @@
-// RUN: %target-typecheck-verify-swift
+// RUN: %target-typecheck-verify-swift -verify-ignore-unrelated
 
 protocol P<A, B> {
   associatedtype A  // expected-note {{multiple matching types named 'A'}}

test/AutoDiff/Sema/DerivativeRegistrationCrossModule/main.swift

@@ -2,7 +2,7 @@
 // RUN: %target-swift-frontend -emit-module -primary-file %S/Inputs/a.swift -emit-module-path %t/a.swiftmodule
 // RUN: %target-swift-frontend -emit-module -primary-file %S/Inputs/b.swift -emit-module-path %t/b.swiftmodule -I %t
 // "-verify-ignore-unknown" is for "<unknown>:0: note: 'init()' declared here"
-// RUN: %target-swift-frontend-typecheck -verify -verify-ignore-unknown -I %t %s
+// RUN: %target-swift-frontend-typecheck -verify -verify-ignore-unrelated -verify-ignore-unknown -I %t %s
 
 // https://github.com/apple/swift/issues/54969
 // Fix cross-module deserialization crash involving `@derivative` attribute.

test/AutoDiff/Sema/DerivedConformances/class_differentiable.swift

@@ -1,4 +1,4 @@
-// RUN: %target-swift-frontend -typecheck -verify -primary-file %s %S/Inputs/class_differentiable_other_module.swift
+// RUN: %target-swift-frontend -typecheck -verify -verify-ignore-unrelated -primary-file %s %S/Inputs/class_differentiable_other_module.swift
 
 import _Differentiation
 

test/AutoDiff/Sema/DerivedConformances/struct_differentiable.swift

@@ -1,4 +1,4 @@
-// RUN: %target-swift-frontend -typecheck -verify -primary-file %s %S/Inputs/struct_differentiable_other_module.swift
+// RUN: %target-swift-frontend -typecheck -verify -verify-ignore-unrelated -primary-file %s %S/Inputs/struct_differentiable_other_module.swift
 
 import _Differentiation
 

test/AutoDiff/Sema/derivative_attr_type_checking.swift

@@ -1,5 +1,5 @@
-// RUN: %target-swift-frontend-typecheck -verify -target %target-swift-5.1-abi-triple %s -package-name myPkg
-// RUN: %target-swift-frontend-typecheck -enable-testing -verify -target %target-swift-5.1-abi-triple %s -package-name myPkg
+// RUN: %target-swift-frontend-typecheck -verify -verify-ignore-unrelated -target %target-swift-5.1-abi-triple %s -package-name myPkg
+// RUN: %target-swift-frontend-typecheck -enable-testing -verify -verify-ignore-unrelated -target %target-swift-5.1-abi-triple %s -package-name myPkg
 
 // Swift.AdditiveArithmetic:3:17: note: cannot yet register derivative default implementation for protocol requirements
 

test/AutoDiff/Sema/differentiable_attr_type_checking.swift

@@ -1,5 +1,5 @@
-// RUN: %target-swift-frontend-typecheck -verify -target %target-swift-5.1-abi-triple %s
-// RUN: %target-swift-frontend-typecheck -enable-testing -verify -target %target-swift-5.1-abi-triple %s
+// RUN: %target-swift-frontend-typecheck -verify -verify-ignore-unrelated -target %target-swift-5.1-abi-triple %s
+// RUN: %target-swift-frontend-typecheck -enable-testing -verify -verify-ignore-unrelated -target %target-swift-5.1-abi-triple %s
 
 import _Differentiation