Modify the INSTALL/REMOVE scripts to use predef vars and unneeded chroot calls.

--HG--
extra : convert_revision : dfd737c502bea327054ecff5bc1fa152db6e2009

templates/PolicyKit/REMOVE

@@ -1,10 +1,10 @@
 #
 # This script removes the policykit user/group.
 #
-case "$2" in
+case "${ACTION}" in
 pre)
-	chroot . userdel policykit &>/dev/null
-	[ $? -eq 0 ] && echo "Removed policykit system user/group."
+	userdel policykit 2>&1 >/dev/null
+	[ $? -eq 0 ] && echo "Removed ${PKGNAME} system user/group."
 	;;
 post)
 	;;