erase every call operator in operator_new and operator_delete
erase every call operator in operator_new and operator_delete

Summary: They are all pure forwarding functions so they are good candidates for erasure.

Reviewed By: Orvid

Differential Revision: D34364933

fbshipit-source-id: d9a15b1c3b7f461db6bdf33cd523abdbba5620b9

facebook/folly,facebook/folly,facebook/folly,facebook/folly,facebook/folly