Revert "skip failing test suite (#193036)" (#193152)

This reverts commit 010a362.

The root cause of the failing tests has been resolved on the
Elasticsearch side and the updated Elasticsearch image has been verified
and promoted. So the temporarily skipped tests can be re-enabled.

x-pack/test_serverless/api_integration/test_suites/common/index_management/inference_endpoints.ts

@@ -26,8 +26,7 @@ export default function ({ getService }: FtrProviderContext) {
   let roleAuthc: RoleCredentials;
   let internalReqHeader: InternalRequestHeader;
 
-  // Failing: See https://github.com/elastic/kibana/issues/193036
-  describe.skip('Inference endpoints', function () {
+  describe('Inference endpoints', function () {
     before(async () => {
       roleAuthc = await svlUserManager.createM2mApiKeyWithRoleScope('admin');
       internalReqHeader = svlCommonApi.getInternalRequestHeader();