refactor: removed unused lint comment (#4950)

Author: filipesilva

packages/@angular/cli/blueprints/ng/files/protractor.conf.js

@@ -1,7 +1,6 @@
 // Protractor configuration file, see link for more information
 // https://github.com/angular/protractor/blob/master/lib/config.ts
 
-/*global jasmine */
 const { SpecReporter } = require('jasmine-spec-reporter');
 
 exports.config = {