chore: Remove unused clients in admin + clean up js-sdk (#8839)

* feat(js-sdk): Add API key

* chore: Remove unused clients in admin + clean up js-sdk

* fix sales channel hooks

packages/core/js-sdk/src/admin/payment.ts

@@ -18,6 +18,19 @@ export class Payment {
     )
   }
 
+  async listPaymentProviders(
+    query?: HttpTypes.AdminGetPaymentProvidersParams,
+    headers?: ClientHeaders
+  ) {
+    return await this.client.fetch<HttpTypes.AdminPaymentProviderListResponse>(
+      `/admin/payments/payment-providers`,
+      {
+        query,
+        headers,
+      }
+    )
+  }
+
   async retrieve(
     id: string,
     query?: HttpTypes.AdminPaymentFilters,

packages/core/js-sdk/src/admin/sales-channel.ts

@@ -94,4 +94,19 @@ export class SalesChannel {
       }
     )
   }
+
+  async batchProducts(
+    id: string,
+    body: HttpTypes.AdminBatchLink,
+    headers?: ClientHeaders
+  ) {
+    return await this.client.fetch<HttpTypes.AdminSalesChannelResponse>(
+      `/admin/sales-channels/${id}/products`,
+      {
+        method: "POST",
+        headers,
+        body,
+      }
+    )
+  }
 }