Revert "slapos_accounting: Separate per causality"

This reverts commit 05a8e283

master/bt5/slapos_accounting/PathTemplateItem/portal_deliveries/slapos_sale_invoice_builder/category_movement_group_on_delivery.xml

@@ -45,7 +45,6 @@
                 <string>price_currency</string>
                 <string>source_decision</string>
                 <string>destination_decision</string>
-                <string>causality</string>
               </tuple>
             </value>
         </item>