Remove the fd overload of AsyncSocket::sendSocketMessage
Remove the fd overload of AsyncSocket::sendSocketMessage

Summary: It's no longer needed.

Reviewed By: yfeldblum

Differential Revision: D13105173

fbshipit-source-id: 2c1cf79af29a112fbe85d55aa3b180e7f783850c

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