Remove unused code

atst/forms/application_member.py

@@ -58,7 +58,6 @@ class NewForm(BaseForm):
 
 
 class UpdateMemberForm(PermissionsForm):
-    # permission_sets = FormField(PermissionsForm)
     environment_roles = FieldList(FormField(EnvironmentForm))
 
     @property

atst/models/application_role.py

@@ -71,20 +71,6 @@ class ApplicationRole(
         elif self.latest_invitation:
             return self.latest_invitation.user_name
 
-    @property
-    def user_first_name(self):
-        if self.user:
-            return self.user.first_name
-        elif self.latest_invitation:
-            return self.latest_invitation.first_name
-
-    @property
-    def user_last_name(self):
-        if self.user:
-            return self.user.last_name
-        elif self.latest_invitation:
-            return self.latest_invitation.last_name
-
     def __repr__(self):
         return "<ApplicationRole(application='{}', user_id='{}', id='{}', permissions={})>".format(
             self.application.name, self.user_id, self.id, self.permissions