fix bugs with system auditors and orphan JTs

awx/main/access.py

@@ -1048,10 +1048,6 @@ class JobTemplateAccess(BaseAccess):
         return qs.select_related('created_by', 'modified_by', 'inventory', 'project',
                                  'credential', 'cloud_credential', 'next_schedule').all()
 
-    @check_superuser
-    def can_read(self, obj):
-        return self.user in obj.read_role
-
     def can_add(self, data):
         '''
         a user can create a job template if they are a superuser, an org admin