nfs: Remove unneeded micro checking of CONFIG_PROC_FS

Have checking CONFIG_PROC_FS in include/linux/sunrpc/stats.h.
Signed-off-by: NKinglong Mee <kinglongmee@gmail.com>
Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>

fs/nfs/inode.c

@@ -2010,17 +2010,15 @@ static int __init init_nfs_fs(void)
 	if (err)
 		goto out1;
 
-#ifdef CONFIG_PROC_FS
 	rpc_proc_register(&init_net, &nfs_rpcstat);
-#endif
-	if ((err = register_nfs_fs()) != 0)
+
+	err = register_nfs_fs();
+	if (err)
 		goto out0;
 
 	return 0;
 out0:
-#ifdef CONFIG_PROC_FS
 	rpc_proc_unregister(&init_net, "nfs");
-#endif
 	nfs_destroy_directcache();
 out1:
 	nfs_destroy_writepagecache();
@@ -2051,9 +2049,7 @@ static void __exit exit_nfs_fs(void)
 	nfs_destroy_nfspagecache();
 	nfs_fscache_unregister();
 	unregister_pernet_subsys(&nfs_net_ops);
-#ifdef CONFIG_PROC_FS
 	rpc_proc_unregister(&init_net, "nfs");
-#endif
 	unregister_nfs_fs();
 	nfs_fs_proc_exit();
 	nfsiod_stop();