Remove Zin's Smiting, and move Revitalisation into its place.

Allow for easier switching between the good gods: starting piety after switching is up to 30 instead of 15.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@3779 c06c8d41-db1a-0410-9941-cceddc491573

Created by  j-p-e-g  on March 20, 2008
CQD3RU44235F3CYFDZBC3JRT2H3AE7PXJNVBBMCRF65Q5LPA3EHQC
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