Remove holy beings' automatically repelling undead. Since the "Repel

Undead" power is no longer available, it doesn't seem to fit anymore.
Another way to protect them should eventually be added, though.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@7269 c06c8d41-db1a-0410-9941-cceddc491573

Created by  dolorous  on October 17, 2008
5HYOTDVDLK4L4BCI2SFO5HVBYFNSPPV43UX23H6EJ72INYXPF7FQC
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