nfsd4: remove unused CHECK_FH flag

All users now pass this, so it's meaningless.

Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 6ae28e6..5957f77 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -2091,7 +2091,7 @@
 		stp = find_stateid(stateid, flags);
 		if (!stp)
 			goto out;
-		if ((flags & CHECK_FH) && nfs4_check_fh(current_fh, stp))
+		if (nfs4_check_fh(current_fh, stp))
 			goto out;
 		if (!stp->st_stateowner->so_confirmed)
 			goto out;