remote_runner: Delete commented-out browsers

Also delete useless and incorrect browser comments.

src/tests/frontend/travis/remote_runner.js

@@ -129,59 +129,33 @@ const sauceTestWorker = async.queue((testSettings, callback) => {
 }, 6); // run 6 tests in parrallel
 
 if (!isAdminRunner) {
-  // 1) Firefox on Linux
   sauceTestWorker.push({
     platform: 'Windows 10',
     browserName: 'firefox',
     version: '84.0',
   });
-
-  // 2) Chrome on Linux
   sauceTestWorker.push({
     platform: 'Windows 7',
     browserName: 'chrome',
     version: '55.0',
     args: ['--use-fake-device-for-media-stream'],
   });
-
-  /*
-  // 3) Safari on OSX 10.15
-  sauceTestWorker.push({
-      'platform'       : 'OS X 10.15'
-    , 'browserName'    : 'safari'
-    , 'version'        : '13.1'
-  });
-  */
-
-  // 4) Safari on OSX 10.14
   sauceTestWorker.push({
     platform: 'OS X 10.15',
     browserName: 'safari',
     version: '13.1',
   });
-  // IE 10 doesn't appear to be working anyway
-  /*
-  // 4) IE 10 on Win 8
-  sauceTestWorker.push({
-      'platform'       : 'Windows 8'
-    , 'browserName'    : 'iexplore'
-    , 'version'        : '10.0'
-  });
-  */
-  // 5) Edge on Win 10
   sauceTestWorker.push({
     platform: 'Windows 10',
     browserName: 'microsoftedge',
     version: '83.0',
   });
-  // 6) Firefox on Win 7
   sauceTestWorker.push({
     platform: 'Windows 7',
     browserName: 'firefox',
     version: '78.0',
   });
 } else {
-  // 4) Safari on OSX 10.14
   sauceTestWorker.push({
     platform: 'OS X 10.15',
     browserName: 'safari',