ocfs2: remove NAMEI from symlink.c

No mlog(0,...) in symlink.c, so just remove NAMEI.
Signed-off-by: Tao Ma <boyu.mt@taobao.com>

fs/ocfs2/symlink.c

@@ -40,7 +40,6 @@
 #include <linux/pagemap.h>
 #include <linux/namei.h>
 
-#define MLOG_MASK_PREFIX ML_NAMEI
 #include <cluster/masklog.h>
 
 #include "ocfs2.h"