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/remote-control/main.js

@@ -0,0 +1,32 @@
+const { app } = require('electron');
+const http = require('http');
+const v8 = require('v8');
+
+if (app.commandLine.hasSwitch('boot-eval')) {
+  // eslint-disable-next-line no-eval
+  eval(app.commandLine.getSwitchValue('boot-eval'));
+}
+
+app.whenReady().then(() => {
+  const server = http.createServer((req, res) => {
+    const chunks = [];
+    req.on('data', chunk => { chunks.push(chunk); });
+    req.on('end', () => {
+      const js = Buffer.concat(chunks).toString('utf8');
+      (async () => {
+        try {
+          const result = await Promise.resolve(eval(js)); // eslint-disable-line no-eval
+          res.end(v8.serialize({ result }));
+        } catch (e) {
+          res.end(v8.serialize({ error: e.stack }));
+        }
+      })();
+    });
+  }).listen(0, '127.0.0.1', () => {
+    process.stdout.write(`Listening: ${server.address().port}\n`);
+  });
+});
+
+setTimeout(() => {
+  process.exit(0);
+}, 30000);