test(media-helpers): conflict due to media-helper importing jsdom/register

Author: mkesavan13

packages/@webex/media-helpers/jest.config.js

@@ -1,6 +1,3 @@
 const config = require('@webex/jest-config-legacy');
 
-module.exports = {
-  ...config,
-  testEnvironment: 'jsdom',
-};
+module.exports = config;