Unmute SecurityDocumentationIT test

Since https://github.com/elastic/elasticsearch/pull/36362 is merged
the invalidateTokensTest for the HLRC can be run again.

client/rest-high-level/src/test/java/org/elasticsearch/client/documentation/SecurityDocumentationIT.java

@@ -1318,7 +1318,6 @@ public class SecurityDocumentationIT extends ESRestHighLevelClientTestCase {
         }
     }
 
-    @AwaitsFix(bugUrl = "https://github.com/elastic/elasticsearch/pull/36362")
     public void testInvalidateToken() throws Exception {
         RestHighLevelClient client = highLevelClient();