vcs: re-use repo config propagated to the middleware to extract push_ssl

configuration

rhodecode/lib/middleware/simplevcs.py

@@ -209,8 +209,7 b' class SimpleVCS(object):'
         """
         org_proto = environ['wsgi._org_proto']
         # check if we have SSL required  ! if not it's a bad request !
-        require_ssl = str2bool(
-            SettingsModel().get_ui_by_key('push_ssl').ui_value)
+        require_ssl = str2bool(self.repo_vcs_config.get('web', 'push_ssl'))
         if require_ssl and org_proto == 'http':
             log.debug('proto is %s and SSL is required BAD REQUEST !',
                       org_proto)