remove some persistent vars


git-svn-id: http://svn.code.sf.net/p/sauerbraten/code@5012 07af1644-1164-4067-b897-63bf4dc9b748
remove more persistent vars


git-svn-id: http://svn.code.sf.net/p/sauerbraten/code@5013 07af1644-1164-4067-b897-63bf4dc9b748