Minor cleanup in pwcave* and waytobrimhavencave* maps.
Bugfix: Do not remove other lingering actor conditions when changing equipment (for example, if the player has a condition caused by something else with duration="forever", that condition would be removed when equipping or unequipping an item).
git-svn-id: https://andors-trail.googlecode.com/svn/trunk@217 08aca716-68be-ccc6-4d58-36f5abd142ac