Revert "Always require SSL in the Kerberos authorization block."

This patch broke installation of a new master. Reverting until
we develop a better solution.

This reverts commit f42da4357e.

install/tools/ipa-upgradeconfig

@@ -116,7 +116,7 @@ def upgrade(sub_dict, filename, template, add=False):
     if new < 0:
         print "%s not found." % template
 
-    if old < new:
+    if old < new or add:
         backup_file(filename, new)
         update_conf(sub_dict, filename, template)
         print "Upgraded %s to version %d" % (filename, new)