Remove error logging for voice message that was not correct

media player can already exist here when playback was paused, that's okay.

Signed-off-by: Marcel Hibbe <dev@mhibbe.de>

app/src/main/java/com/nextcloud/talk/controllers/ChatController.kt

@@ -1033,8 +1033,6 @@ class ChatController(args: Bundle) :
                 Log.e(TAG, "failed to initialize mediaPlayer", e)
                 Toast.makeText(context, R.string.nc_common_error_sorry, Toast.LENGTH_LONG).show()
             }
-        } else {
-            Log.e(TAG, "mediaPlayer was not null. This should not happen!")
         }
     }