remove unused prototypes for xfs_ihash_init / xfs_ihash_free

Signed-off-by: NChristoph Hellwig <hch@lst.de>
Reviewed-by: NEric Sandeen <sandeen@sandeen.net>
Reviewed-by: NDave Chinner <david@fromorbit.com>
Signed-off-by: NNiv Sardi <xaiki@sgi.com>

fs/xfs/xfs_inode.h

@@ -496,8 +496,6 @@ static inline void xfs_ifunlock(xfs_inode_t *ip)
 /*
  * xfs_iget.c prototypes.
  */
-void		xfs_ihash_init(struct xfs_mount *);
-void		xfs_ihash_free(struct xfs_mount *);
 xfs_inode_t	*xfs_inode_incore(struct xfs_mount *, xfs_ino_t,
 				  struct xfs_trans *);
 int		xfs_iget(struct xfs_mount *, struct xfs_trans *, xfs_ino_t,