Remove superfluous "to", syncing with webwml.
they should note this in the $gBug tracking system as follows:
<p>Make sure that the <code>To</code> field of your message to the author
-to has only the author(s) address(es) in it; put both the person who
+has only the author(s) address(es) in it; put both the person who
reported the $gBug and
<var>nnn</var><code>-forwarded\@$gEmailDomain</code> in the
<code>CC</code> field.