trivial: remove dead "common" backoffice code (#49268)

wcs/qommon/backoffice/root.py

@@ -15,10 +15,6 @@
 # along with this program; if not, see <http://www.gnu.org/licenses/>.
 
 from quixote.directory import Directory, AccessControlled
-from quixote import get_publisher, get_request, get_response
-
-from .. import _
-from .. import errors
 
 
 class BackofficeRootDirectory(AccessControlled, Directory):
@@ -36,19 +32,3 @@ class BackofficeRootDirectory(AccessControlled, Directory):
             # used to remove an item
             return
         cls.menu_items.append((url, title, options))
-
-    def _q_access(self):
-        get_response().breadcrumb.append( ('backoffice/', _('Back Office')) )
-
-        user = get_request().user
-        if not user and get_publisher().user_class.count() > 0:
-            raise errors.AccessUnauthorizedError(
-                    public_msg = _('Access to backoffice is restricted to authorized persons only. '\
-                                   'Please login.'))
-        if user and not user.can_go_in_backoffice():
-            raise errors.AccessForbiddenError()
-
-        get_response().filter['in_backoffice'] = True
-
-    def get_menu_items(self):
-        return self.menu_items