chore(electron): remove unused ipc code (#7636)

fix AF-1120

tests/kit/utils/ipc.ts

@@ -1,64 +0,0 @@
-// TODO(@pengx17): remove
-
-import type { affine } from '@affine/electron-api';
-// Credit: https://github.com/spaceagetv/electron-playwright-helpers/blob/main/src/ipc_helpers.ts
-import type { Page } from '@playwright/test';
-import type { ElectronApplication } from 'playwright';
-
-declare global {
-  interface Window {
-    affine: typeof affine;
-  }
-}
-
-export function ipcRendererInvoke(page: Page, channel: string, ...args: any[]) {
-  return page.evaluate(
-    ({ channel, args }) => {
-      return window.affine?.ipcRenderer.invoke(channel, ...args);
-    },
-    { channel, args }
-  );
-}
-
-export function ipcRendererSend(page: Page, channel: string, ...args: any[]) {
-  return page.evaluate(
-    ({ channel, args }) => {
-      window.affine?.ipcRenderer.send(channel, ...args);
-    },
-    { channel, args }
-  );
-}
-
-type IpcMainWithHandlers = Electron.IpcMain & {
-  _invokeHandlers: Map<
-    string,
-    (e: Electron.IpcMainInvokeEvent, ...args: unknown[]) => Promise<unknown>
-  >;
-};
-
-export function shouldCallIpcRendererHandler(
-  electronApp: ElectronApplication,
-  channel: string
-) {
-  return electronApp.evaluate(
-    async ({ ipcMain }, { channel }) => {
-      const ipcMainWH = ipcMain as IpcMainWithHandlers;
-      // this is all a bit of a hack, so let's test as we go
-      if (!ipcMainWH._invokeHandlers) {
-        throw new Error(`Cannot access ipcMain._invokeHandlers`);
-      }
-      const handler = ipcMainWH._invokeHandlers.get(channel);
-      if (!handler) {
-        throw new Error(`No ipcMain handler registered for '${channel}'`);
-      }
-      return new Promise<void>(resolve => {
-        ipcMainWH._invokeHandlers.set(channel, async (e, ...args) => {
-          ipcMainWH._invokeHandlers.set(channel, handler);
-          resolve();
-          return handler(e, ...args);
-        });
-      });
-    },
-    { channel }
-  );
-}