Remove deprecated use_buefy logic

tailbone_corepos/templates/batch/corepos-member/view_row.mako

@@ -36,12 +36,5 @@
   </div>
 </%def>
 
-<%def name="render_form()">
-  ${parent.render_form()}
-  % if not use_buefy:
-      ${self.field_diff_table()}
-  % endif
-</%def>
-
 
 ${parent.body()}