Unmute the test now that the fix for the underlying cause is merged in. (#46117)

Author: przemekwitek

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

@@ -1784,7 +1784,6 @@ private void createIndex(String indexName, XContentBuilder mapping) throws IOExc
         highLevelClient().indices().create(new CreateIndexRequest(indexName).mapping(mapping), RequestOptions.DEFAULT);
     }
 
-    @AwaitsFix(bugUrl = "https://github.com/elastic/elasticsearch/issues/45787")
     public void testEstimateMemoryUsage() throws IOException {
         String indexName = "estimate-test-index";
         createIndex(indexName, mappingForClassification());