Removed deprecated property.

modoboa/core/models.py

@@ -242,16 +242,6 @@ class User(PermissionsMixin):
             return "%s %s" % (self.first_name, self.last_name)
         return "----"
 
-    @property
-    def group(self):
-        """FIXME: DEPRECATED"""
-        if self.is_superuser:
-            return "SuperAdmins"
-        try:
-            return self.groups.all()[0].name
-        except IndexError:
-            return "---"
-
     @property
     def enabled(self):
         return self.is_active