Remove now-unneeded include.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@4342 c06c8d41-db1a-0410-9941-cceddc491573

Created by  dolorous  on April 18, 2008
33UW3LXZQDXXCLELT4EWUTZX4D6Y6S2YNKZUQEQXDLUCWRL3ZM4AC
Change contents