disable karma-safari-private-launcher not used in CI

Author: cyrilletuzi

lib/karma.conf.js

@@ -10,7 +10,7 @@ module.exports = function (config) {
       require("karma-chrome-launcher"),
       require("karma-firefox-launcher"),
       require("karma-safarinative-launcher"),
-      require("karma-safari-private-launcher"),
+      // require("karma-safari-private-launcher"),
       require("karma-jasmine-html-reporter"),
     ],
     /*