test: drop now-empty remote runner (#35343)

* test: drop the now-empty remote runner from CI

* move fixtures to spec-main

* remove remote runner

* fix stuff

* remove global-paths hack

* move ts-smoke to spec/

* fix test after merge

* rename spec-main to spec

* no need to ignore spec/node_modules twice

* simplify spec-runner a little

* no need to hash pj/yl twice

* undo lint change to verify-mksnapshot.py

* excessive ..

* update electron_woa_testing.yml

* don't search for test-results-remote.xml

it is never produced now

spec/fixtures/apps/self-module-paths/main.js

@@ -0,0 +1,34 @@
+// Modules to control application life and create native browser window
+const { app, BrowserWindow, ipcMain } = require('electron');
+const path = require('path');
+
+function createWindow () {
+  const mainWindow = new BrowserWindow({
+    width: 800,
+    height: 600,
+    show: false,
+    webPreferences: {
+      nodeIntegration: true,
+      nodeIntegrationInWorker: true,
+      contextIsolation: false
+    }
+  });
+
+  mainWindow.loadFile('index.html');
+}
+
+ipcMain.handle('module-paths', (e, success) => {
+  process.exit(success ? 0 : 1);
+});
+
+app.whenReady().then(() => {
+  createWindow();
+
+  app.on('activate', function () {
+    if (BrowserWindow.getAllWindows().length === 0) createWindow();
+  });
+});
+
+app.on('window-all-closed', function () {
+  if (process.platform !== 'darwin') app.quit();
+});