remove unnecessary line in readme

Author: ianlin

README.md

@@ -44,14 +44,12 @@ The iOS version should be >= 8.0 since we are using [PushKit][1].
 // Handle updated push credentials
 - (void)pushRegistry:(PKPushRegistry *)registry didUpdatePushCredentials:(PKPushCredentials *)credentials forType:(NSString *)type {
   // Register VoIP push token (a property of PKPushCredentials) with server
-  NSLog(@"[AppDelegate][VoIP] didUpdatePushCredentials credentials.token = %@, type = %@", credentials.token, type);
   [RNVoipPushNotificationManager didUpdatePushCredentials:credentials forType:(NSString *)type];
 }
 
 // Handle incoming pushes
 - (void)pushRegistry:(PKPushRegistry *)registry didReceiveIncomingPushWithPayload:(PKPushPayload *)payload forType:(NSString *)type {
   // Process the received push
-  NSLog(@"[AppDelegate][VoIP] didReceiveIncomingPushWithPayload payload.dictionaryPayload = %@, type = %@", payload.dictionaryPayload, type);
   [RNVoipPushNotificationManager didReceiveIncomingPushWithPayload:payload forType:(NSString *)type];
 }