Remove unnecessary flag override

Author: rickhanlonii

packages/react-dom/src/__tests__/ReactDOMServerIntegrationUntrustedURL-test.js

@@ -195,8 +195,6 @@ describe('ReactDOMServerIntegration - Untrusted URLs - disableJavaScriptURLs', (
 
   function initModules() {
     jest.resetModules();
-    const ReactFeatureFlags = require('shared/ReactFeatureFlags');
-    ReactFeatureFlags.disableJavaScriptURLs = true;
 
     React = require('react');
     ReactDOMClient = require('react-dom/client');