feat: remove forum feature (Phase 1)

assets/admin/src/pages/payment/PaymentGateway.vue

@@ -64,11 +64,11 @@ onMounted(async () => {
   loading.value = true
   try {
     const [gwRes, ovRes] = await Promise.all([
-      api.request('/shop/gateways').catch(() => null),
       api.request('/payment/overview').catch(() => null),
     ])
-    if (gwRes?.data?.gateways) {
-      gateways.value = gwRes.data.gateways
+    if (gwRes?.data?.gateway?.gateways) {
+      const gwList = Object.entries(gwRes.data.gateway.gateways).map(([id, enabled]) => ({ id, name: id, configured: !!enabled }))
+      gateways.value = gwList
     }
     if (ovRes?.data?.gateway) {
       overview.value = ovRes.data.gateway