Revert "configfs: Silence lockdep on mkdir(), rmdir() and configfs_depend_item()"

This reverts commit 0e033342.

I committed this by accident - Joel and Louis are working with the lockdep
maintainer to provide a better solution than just turning lockdep off.

Signed-off-by: Mark Fasheh <mfasheh@suse.com>
Acked-by: &lt;Joel Becker <joel.becker@oracle.com>