Remove socket() call from Request

The socket() call in the request object is a pretty bad architecture
break.  Requests should have no knowledge of the underlying socket.  It
is currently not used.

Tested:
Code compiles

Signed-off-by: Ed Tanous <ed@tanous.net>
Change-Id: I1f72667857c377df370e3238a81d6c46fba1e8f5