Move period_on_moduls

Author: jeffreykirchner

main/templates/staff/staff_session_parameters/barriers/barriers_card.html

@@ -94,7 +94,7 @@
                                 </td>
                                 <td v-on:click="show_edit_parameter_set_barrier(p)" 
                                     class="player_table_cell">
-                                    [[temp_p.period_on]], [[temp_p.period_off]], [[temp_p.period_on_modulus]]
+                                    [[temp_p.period_on]], [[temp_p.period_off]]
                                 </td>
                                 <td v-on:click="show_edit_parameter_set_barrier(p)" 
                                     class="player_table_cell">