test(bazel): Remove --no-sandbox for protractor tests (#25362)

Since we no longer need this flag to run web tests inside a docker
container, this reverts https://github.com/angular/angular/pull/24906

PR Close #25362

packages/bazel/src/protractor/protractor.conf.js

@@ -107,11 +107,6 @@ if (process.env['WEB_TEST_METADATA']) {
       if (headless) {
         args.push('--headless');
         args.push('--disable-gpu');
-        const isRoot = process.getuid && process.getuid() == 0;
-        if (isRoot) {
-          // Specify --no-sandbox if it is started by root.
-          args.push('--no-sandbox');
-        }
       }
       setConf(conf, 'directConnect', true, 'is set to true for chrome');
       setConf(