Documentation: filesystems: autofs-mount-control: drop doubled words

Drop the doubled words "the" and "and".

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: linux-doc@vger.kernel.org
Cc: Ian Kent <raven@themaw.net>
Cc: autofs@vger.kernel.org
Link: https://lore.kernel.org/r/20200703214325.31036-2-rdunlap@infradead.org


Signed-off-by: Jonathan Corbet <corbet@lwn.net>