SUNRPC: Remove dead code in svc_tcp_release_rqst()

Clean up: svc_tcp_sendto() always sets rq_xprt_ctxt to NULL.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>

net/sunrpc/svcsock.c

@@ -117,15 +117,6 @@ static void svc_reclassify_socket(struct socket *sock)
  */
 static void svc_tcp_release_rqst(struct svc_rqst *rqstp)
 {
-	struct sk_buff *skb = rqstp->rq_xprt_ctxt;
-
-	if (skb) {
-		struct svc_sock *svsk =
-			container_of(rqstp->rq_xprt, struct svc_sock, sk_xprt);
-
-		rqstp->rq_xprt_ctxt = NULL;
-		skb_free_datagram_locked(svsk->sk_sk, skb);
-	}
 }
 
 /**