{__,}manage_dentry_{set,clear}_{automount,transit}

are 4 unused inline functions.  Discard them.
Signed-off-by: NNeilBrown <neilb@suse.de>
Acked-by: NIan Kent <raven@themaw.net>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>