nfs: nfs4xdr: get rid of READTIME

It has no users.

Signed-off-by: Benny Halevy <bhalevy@panasas.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c
index 238189c..0c26bb2 100644
--- a/fs/nfs/nfs4xdr.c
+++ b/fs/nfs/nfs4xdr.c
@@ -2433,11 +2433,6 @@
  * task to translate them into Linux-specific versions which are more
  * consistent with the style used in NFSv2/v3...
  */
-#define READTIME(x)       do {			\
-	p++;					\
-	(x.tv_sec) = ntohl(*p++);		\
-	(x.tv_nsec) = ntohl(*p++);		\
-} while (0)
 #define COPYMEM(x,nbytes) do {			\
 	memcpy((x), p, nbytes);			\
 	p += XDR_QUADLEN(nbytes);		\