Be more agressive about making shaft traps on invalid levels disappear in a puff of logic.
If a wizard command creates a trap shaft on an invalid level, inform the user.
git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@7536 c06c8d41-db1a-0410-9941-cceddc491573
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if (you_know && in_sight)mpr("The shaft disappears in a puff of logic!");trap_destroyed = true;}else{// Fire away!