Revert "Makes sfAPCCache compatible with APCu"
Revert "Makes sfAPCCache compatible with APCu"

Recras/symfony1,onceit/symfony1,onceit/symfony1,simoncast/symfony1,rock-symphony/rock-symphony,ngscz/symfony1,onceit/symfony1,Recras/symfony1,rock-symphony/rock-symphony,simoncast/symfony1,Recras/symfony1,MDrollette/symfony1,MDrollette/symfony1,simoncast/symfony1,MDrollette/symfony1,ngscz/symfony1,augustinmerle/symfony1,augustinmerle/symfony1,augustinmerle/symfony1,rock-symphony/rock-symphony,ngscz/symfony1