Revert "feat: add Linq channel — real iMessage via API, no Mac required"

This reverts commit d4a142fd8f.

src/plugins/runtime/index.ts

@@ -1,4 +1,5 @@
 import { createRequire } from "node:module";
+import type { PluginRuntime } from "./types.js";
 import { resolveEffectiveMessagesConfig, resolveHumanDelayConfig } from "../../agents/identity.js";
 import { createMemoryGetTool, createMemorySearchTool } from "../../agents/tools/memory-tool.js";
 import { handleSlackAction } from "../../agents/tools/slack-actions.js";
@@ -91,14 +92,6 @@ import {
   sendMessageLine,
 } from "../../line/send.js";
 import { buildTemplateMessageFromPayload } from "../../line/template-messages.js";
-import {
-  listLinqAccountIds,
-  resolveDefaultLinqAccountId,
-  resolveLinqAccount,
-} from "../../linq/accounts.js";
-import { monitorLinqProvider } from "../../linq/monitor.js";
-import { probeLinq } from "../../linq/probe.js";
-import { sendMessageLinq } from "../../linq/send.js";
 import { getChildLogger } from "../../logging.js";
 import { normalizeLogLevel } from "../../logging/levels.js";
 import { convertMarkdownTables } from "../../markdown/tables.js";
@@ -146,7 +139,6 @@ import {
 } from "../../web/auth-store.js";
 import { loadWebMedia } from "../../web/media.js";
 import { formatNativeDependencyHint } from "./native-deps.js";
-import type { PluginRuntime } from "./types.js";
 
 let cachedVersion: string | null = null;
 
@@ -386,14 +378,6 @@ export function createPluginRuntime(): PluginRuntime {
         probeIMessage,
         sendMessageIMessage,
       },
-      linq: {
-        sendMessageLinq,
-        probeLinq,
-        monitorLinqProvider,
-        listLinqAccountIds,
-        resolveDefaultLinqAccountId,
-        resolveLinqAccount,
-      },
       whatsapp: {
         getActiveWebListener,
         getWebAuthAgeMs,