Merged PR 312627: Upgrade karma to use Chrome instead of Phantom JS for powerbi-models

Upgrade karma to use Chrome instead of Phantom JS

Test Pipeline Result:
https://dev.azure.com/powerbi/Embedded/_build/results?buildId=5801379&view=results

karma.conf.js

@@ -14,12 +14,11 @@ module.exports = function (config) {
         exclude: [],
         reporters: argv.debug ? ['spec', 'kjhtml'] : ['spec', 'coverage', 'kjhtml'],
         autoWatch: true,
-        browsers: [argv.chrome ? 'Chrome_headless' : 'PhantomJS'],
+        browsers: ["Chrome_headless"],
         plugins: [
             'karma-chrome-launcher',
             'karma-jasmine',
             'karma-spec-reporter',
-            'karma-phantomjs-launcher',
             'karma-coverage',
             'karma-jasmine-html-reporter'
         ],

package.json

@@ -55,9 +55,7 @@
         "karma-coverage": "^2.0.1",
         "karma-jasmine": "^0.3.8",
         "karma-jasmine-html-reporter": "^0.2.2",
-        "karma-phantomjs-launcher": "^1.0.4",
         "karma-spec-reporter": "0.0.32",
-        "phantomjs-prebuilt": "^2.1.7",
         "ts-loader": "^6.2.1",
         "typedoc": "^0.22.14",
         "typescript": "~4.6.0",