Remove one last reference to Repel Undead.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@9402 c06c8d41-db1a-0410-9941-cceddc491573

Created by  dolorous  on March 9, 2009
7YHPW7I4ND2AN3K5BOCIZCDIMWDAOQRBZ4GYDINBOCEFYJM7USZAC
Change contents