Remove include of deleted file (SocialController)

gameplay/src/PlatformBlackBerry.cpp

@@ -3,7 +3,6 @@
 #include "Base.h"
 #include "Platform.h"
 #include "FileSystem.h"
-#include "SocialController.h"
 #include "Game.h"
 #include "Form.h"
 #include "ScriptController.h"