[update] remove member_start_stat from view

wizard/scop_cotisation_cg_wizard.xml

@@ -40,7 +40,6 @@
                             <field name="name" />
                             <field name="ur_id" />
                             <field name="member_start" />
-                            <field name="member_start_stat" />
                         </tree>
                     </field>
                     <footer>