server.py: remove unnecessary empty line

--HG--
extra : transplant_source : c%21%18%FC%EF%0A%CCQ%DE%C7%8E%9D%E0%EB%2C%2B%D5R2.

gevent/server.py

@@ -121,7 +121,6 @@ class StreamServer(BaseServer):
                     sys.exc_clear()
                     return
                 raise
-
             self.delay = self.min_delay
             client_socket = socket.socket(_sock=client_socket)
             spawn = self._spawn