cifs: remove legacy MultiuserMount option

We've now warned about this for two releases. Remove it for 3.5.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index 4ff6313..a867d99 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -1042,12 +1042,7 @@
 GLOBAL_EXTERN atomic_t midCount;
 
 /* Misc globals */
-GLOBAL_EXTERN unsigned int multiuser_mount; /* if enabled allows new sessions
-				to be established on existing mount if we
-				have the uid/password or Kerberos credential
-				or equivalent for current user */
-/* enable or disable oplocks */
-GLOBAL_EXTERN bool enable_oplocks;
+GLOBAL_EXTERN bool enable_oplocks; /* enable or disable oplocks */
 GLOBAL_EXTERN unsigned int lookupCacheEnabled;
 GLOBAL_EXTERN unsigned int global_secflags;	/* if on, session setup sent
 				with more secure ntlmssp2 challenge/resp */