Removed skip to enable test. (#65575)

Author: John Dorlus

x-pack/test/api_integration/apis/management/index_management/indices.js

@@ -34,8 +34,7 @@ export default function({ getService }) {
     clearCache,
   } = registerHelpers({ supertest });
 
-  // FLAKY: https://github.com/elastic/kibana/issues/64473
-  describe.skip('indices', () => {
+  describe('indices', () => {
     after(() => Promise.all([cleanUpEsResources()]));
 
     describe('clear cache', () => {