fsnotify: Remove fsnotify_recalc_{inode|vfsmount}_mask()

These helpers are just very thin wrappers now. Remove them.

Reviewed-by: Miklos Szeredi <mszeredi@redhat.com>
Reviewed-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Jan Kara <jack@suse.cz>