Missed a deprecated flag

Author: wildjames

.github/scripts/release_code.sh

@@ -68,7 +68,6 @@ sam deploy \
             EnableNotificationsExternal="$ENABLE_NOTIFICATIONS_EXTERNAL" \
             EnabledSiteODSCodesValue="${ENABLED_SITE_ODS_CODES:-' '}" \
             EnablePostDatedNotifications="$ENABLE_POST_DATED_NOTIFICATIONS" \
-            EnabledSystemsValue="${ENABLED_SYSTEMS:-' '}" \
             EnabledSupplierApplicationIDsValue="${ENABLED_SUPPLIER_APPLICATION_IDS:-' '}" \
             BlockedSiteODSCodesValue="${BLOCKED_SITE_ODS_CODES:-' '}" \
             NotifyRoutingPlanIDValue="$NOTIFY_ROUTING_PLAN_ID" \