Remove vestiges of ... what was it again? OPER_THROW.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@3870 c06c8d41-db1a-0410-9941-cceddc491573

Created by  pauldubois  on March 25, 2008
ACT6HNIJ5H6KUVKHVNZ3H4AK2AYR6U3JSJKJD6DROBBQDUAYQFEQC
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