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/api/custom-protocol-shutdown.js

@@ -0,0 +1,18 @@
+const { app, webContents, protocol, session } = require('electron');
+
+protocol.registerSchemesAsPrivileged([
+  { scheme: 'test', privileges: { standard: true, secure: true } }
+]);
+
+app.whenReady().then(function () {
+  const ses = session.fromPartition('persist:test-standard-shutdown');
+  const web = webContents.create({ session: ses });
+
+  ses.protocol.registerStringProtocol('test', (request, callback) => {
+    callback('Hello World!');
+  });
+
+  web.loadURL('test://abc/hello.txt');
+
+  web.on('did-finish-load', () => app.quit());
+});