Removed unnecessary push token handling. Token is requested by ably-c…

…ocoa and received by flutter, which sends it to ably via the first available `ARTRealtime` object. All instances have the same value for the `device.push` property, since the `device` itself is stored in a static variable.

ios/Classes/AblyFlutter.m

@@ -76,14 +76,6 @@ -(void)reset;
     ARTRest *const rest = [[ARTRest alloc] initWithOptions:options.clientOptions];
     [instanceStore setRest:rest with: handle];
 
-    NSData *const apnsDeviceToken = ably.instanceStore.didRegisterForRemoteNotificationsWithDeviceToken_deviceToken;
-    NSError *const error = ably.instanceStore.didFailToRegisterForRemoteNotificationsWithError_error;
-    if (apnsDeviceToken != nil) {
-        [ARTPush didRegisterForRemoteNotificationsWithDeviceToken:apnsDeviceToken rest:rest];
-    } else if (error != nil) {
-        [ARTPush didFailToRegisterForRemoteNotificationsWithError:error rest:rest];
-    }
-
     result(handle);
 };
 
@@ -262,19 +254,6 @@ -(void)reset;
     }
     ARTRealtime *const realtime = [[ARTRealtime alloc] initWithOptions:options.clientOptions];
     [instanceStore setRealtime:realtime with:handle];
-
-    // Giving Ably client the deviceToken registered at device launch (didRegisterForRemoteNotificationsWithDeviceToken).
-    // This is not an ideal solution. We save the deviceToken given in didRegisterForRemoteNotificationsWithDeviceToken and the
-    // error in didFailToRegisterForRemoteNotificationsWithError and pass it to Ably in the first client that is first created.
-    // Ideally, the Ably client doesn't need to be created, and we can pass the deviceToken to Ably like in Ably Java.
-    // This is similarly repeated for in _createRest
-    NSData *const apnsDeviceToken = ably.instanceStore.didRegisterForRemoteNotificationsWithDeviceToken_deviceToken;
-    NSError *const error = ably.instanceStore.didFailToRegisterForRemoteNotificationsWithError_error;
-    if (apnsDeviceToken != nil) {
-        [ARTPush didRegisterForRemoteNotificationsWithDeviceToken:apnsDeviceToken realtime:realtime];
-    } else if (error != nil) {
-        [ARTPush didFailToRegisterForRemoteNotificationsWithError:error realtime:realtime];
-    }
 
     result(handle);
 };
@@ -801,7 +780,6 @@ -(void)reset {
 }
 
 - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
-    [[UIApplication sharedApplication] registerForRemoteNotifications];
     // Check if application was launched from a notification tap.
 
     // https://stackoverflow.com/a/21611009/7365866

ios/Classes/AblyInstanceStore.h

@@ -27,10 +27,6 @@ NS_ASSUME_NONNULL_BEGIN
 
 -(void) didRegisterForRemoteNotificationsWithDeviceToken:(NSData *const) deviceToken;
 
-@property(nonatomic, nullable) NSData * didRegisterForRemoteNotificationsWithDeviceToken_deviceToken;
-
-@property(nonatomic, nullable) NSError * didFailToRegisterForRemoteNotificationsWithError_error;
-
 -(void)reset;
 
 @end

ios/Classes/AblyInstanceStore.m

@@ -67,14 +67,8 @@ -(ARTPaginatedResult *) getPaginatedResult:(NSNumber *const) handle {
 
 // Set device token on all existing clients
 -(void) didRegisterForRemoteNotificationsWithDeviceToken:(NSData *const) deviceToken {
-    _didRegisterForRemoteNotificationsWithDeviceToken_deviceToken = deviceToken;
-
-    for (id restHandle in _restInstances) {
-        ARTRest *const rest = _restInstances[restHandle];
-        [ARTPush didRegisterForRemoteNotificationsWithDeviceToken:deviceToken rest:rest];
-    }
-    for (id realtimeHandle in _realtimeInstances) {
-        ARTRealtime *const realtime = _realtimeInstances[realtimeHandle];
+    ARTRealtime *const realtime = _realtimeInstances.allValues.firstObject;
+    if (realtime) {
         [ARTPush didRegisterForRemoteNotificationsWithDeviceToken:deviceToken realtime:realtime];
     }
 }