Revert previous changes, as they don't seem that useful, given that most

of the work involving speed uses speed increments.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@7167 c06c8d41-db1a-0410-9941-cceddc491573

Created by  dolorous  on October 6, 2008
LCEYOHJQL5GHX3V2S4QF3UMA2ACIGT2WYXCM6QBEMATCDMGAKHRQC
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