More kandora fixes, change the nonexisting altar_jehovah to altar_valriel (as done in some maps reused from kandora in bigworld). Clean up walls and floors in /unlinked/kandora/circus/petshop.
git-svn-id: svn://svn.code.sf.net/p/crossfire/code/maps/trunk@9252 282e977c-c81d-0410-88c4-b93c2d0d6712
