Make liches and ancient liches use MST_NO_SPELLS, just as e.g. orc

wizards do, since their actual spell lists are determined in define_monster(), just as with e.g. orc wizards.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@7127 c06c8d41-db1a-0410-9941-cceddc491573

Created by  dolorous  on October 4, 2008
5WZBSOTN3CY26JNCVXUEBYFXKPNSWRPODG6XWLRHLV4T7HEICRWAC
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