IOS-74: AppsFlyer monitor uninstalls.

1Weather/Network/PushNotificationsManager.swift

@@ -88,6 +88,7 @@ public class PushNotificationsManager: NSObject {
         self.lastKnownPushToken = tokenString
         log.info("Got new APNS token: \(tokenString)")
         MoEngage.sharedInstance().setPushToken(pushToken)
+        AppsFlyerLib.shared().registerUninstall(pushToken)
     }
 }