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/preload-expose-ipc.js

@@ -0,0 +1,14 @@
+const { contextBridge, ipcRenderer } = require('electron');
+
+// NOTE: Never do this in an actual app! Very insecure!
+contextBridge.exposeInMainWorld('ipc', {
+  send (...args) {
+    return ipcRenderer.send(...args);
+  },
+  sendSync (...args) {
+    return ipcRenderer.sendSync(...args);
+  },
+  invoke (...args) {
+    return ipcRenderer.invoke(...args);
+  }
+});