SUNRPC: clnt.c: Remove misleading comment

destroy_wait doesn't store all RPC clients. There was a list named
"all_clients" above it, which got moved to struct sunrpc_net in 2012,
but the comment was never removed.

Fixes: 70abc49b ("SUNRPC: make SUNPRC clients list per network namespace context")
Signed-off-by: Siddh Raman Pant <siddh.raman.pant@oracle.com>
Signed-off-by: Anna Schumaker <anna.schumaker@oracle.com>

net/sunrpc/clnt.c

@@ -48,13 +48,8 @@
 # define RPCDBG_FACILITY	RPCDBG_CALL
 #endif
 
-/*
- * All RPC clients are linked into this list
- */
-
 static DECLARE_WAIT_QUEUE_HEAD(destroy_wait);
 
-
 static void	call_start(struct rpc_task *task);
 static void	call_reserve(struct rpc_task *task);
 static void	call_reserveresult(struct rpc_task *task);