Remove setting SO_RCVBUF code
Remove setting SO_RCVBUF code

FriendSoftwareLabs/friendup,FriendSoftwareLabs/friendup,FriendSoftwareLabs/friendup,FriendSoftwareLabs/friendup,FriendSoftwareLabs/friendup,FriendSoftwareLabs/friendup,FriendSoftwareLabs/friendup,FriendSoftwareLabs/friendup