fix(widgets): remove out-of-scope UniFi Site Manager widget stub

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

packages/widgets/src/unifi-site-manager/component.tsx

@@ -1,7 +0,0 @@
-"use client";
-
-import type { WidgetComponentProps } from "../definition";
-
-export default function UnifiSiteManagerWidget({ integrationIds, options }: WidgetComponentProps<"unifiSiteManager">) {
-  return <div>Unifi Site Manager</div>;
-}

packages/widgets/src/unifi-site-manager/index.ts

@@ -1,15 +0,0 @@
-import { IconCloudNetwork } from "@tabler/icons-react";
-
-import { createWidgetDefinition } from "../definition";
-import { optionsBuilder } from "../options";
-
-export const { definition, componentLoader } = createWidgetDefinition("unifiSiteManager", {
-  icon: IconCloudNetwork,
-  refetchInterval: 5 * 60,
-  supportedIntegrations: ["unifiSiteManager"],
-  integrationsRequired: true,
-  createOptions() {
-    return optionsBuilder.from((factory) => ({}));
-  },
-  errors: {},
-}).withDynamicImport(() => import("./component"));