Remove invalid check for 2 or more levels of the acute vision mutation,

as it only has one level. Also remove some unneeded whitespace.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@3193 c06c8d41-db1a-0410-9941-cceddc491573

Created by  dolorous  on January 4, 2008
67WH6I2XIMRRL26UM4FJJJZEMJIDPW5Q77FFNZGKWGTWS7GTCJ6QC
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