Remove deprecated messaging calls (#694)

Author: a-maurice

docs/readme.md

@@ -69,6 +69,10 @@ Support
 
 Release Notes
 -------------
+### 11.0.0
+- Changes
+    - Messaging: Remove deprecated calls `Send`, `Subscribe`, and `Unsubscribe`.
+
 ### 10.7.0
 - Changes
     - General: Update to Firebase C++ SDK version 10.7.0.

messaging/src/swig/messaging.i

@@ -543,39 +543,6 @@ void* NotificationCopyAndroidNotificationParams(void* notification) {
   }
 #endif  // DOXYGEN
 
-#if DOXYGEN
-  /// @brief Subscribe to receive all messages to the specified topic.
-  ///
-  /// Subscribes an app instance to a topic, enabling it to receive messages sent to that topic.
-  ///
-  /// Call this function from the main thread. FCM is not thread safe.
-  ///
-  /// @param[in] topic The name of the topic to subscribe. Must match the following regular expression: `[a-zA-Z0-9-_.~%]{1,900}`.
-  [System.Obsolete("FirebaseMessaging.Subscribe is deprecated. Please use FirebaseMessaging.SubscribeAsync() instead")]
-  public static void Subscribe(string topic);
-#else
-  [System.Obsolete("FirebaseMessaging.Subscribe is deprecated. Please use FirebaseMessaging.SubscribeAsync() instead")]
-  public static void Subscribe(string topic) {
-    SubscribeAsync(topic);
-  }
-#endif
-
-#if DOXYGEN
-  /// @brief Unsubscribe from a topic.
-  ///
-  /// Unsubscribes an app instance from a topic, stopping it from receiving any further messages sent to that topic.
-  ///
-  /// Call this function from the main thread. FCM is not thread safe.
-  ///
-  /// @param[in] topic The name of the topic to unsubscribe from. Must match the following regular expression: `[a-zA-Z0-9-_.~%]{1,900}`.
-  [System.Obsolete("FirebaseMessaging.Unsubscribe is deprecated. Please use FirebaseMessaging.UnsubscribeAsync() instead")]
-  public static void Unsubscribe(string topic);
-#else
-  [System.Obsolete("FirebaseMessaging.Unsubscribe is deprecated. Please use FirebaseMessaging.UnsubscribeAsync() instead")]
-  public static void Unsubscribe(string topic) {
-    UnsubscribeAsync(topic);
-  }
-#endif
 %}
 
 %typemap(cscode) firebase::messaging::Message %{
@@ -695,9 +662,6 @@ void* NotificationCopyAndroidNotificationParams(void* notification) {
 %csmethodmodifiers firebase::messaging::DeleteToken()
     "internal"
 
-%csmethodmodifiers firebase::messaging::Send(const Message&)
-    "[System.Obsolete(\"FirebaseMessaging.Send is deprecated and will be removed in a future version.\")]\n  "
-
 // Messaging has a lot of read-only properties, so make all immutable
 // and call out the mutable ones.
 %immutable;