TEST: Unmute testFollowIndexAndCloseNode

Since #34099, the FollowingEngine will skip an operation which was
already processed before. With that change, it should be okay to unmute
testFollowIndexAndCloseNode.

Author: dnhatn

x-pack/plugin/ccr/src/test/java/org/elasticsearch/xpack/ccr/ShardChangesIT.java

@@ -360,7 +360,6 @@ public void afterBulk(long executionId, BulkRequest request, Throwable failure)
         assertMaxSeqNoOfUpdatesIsTransferred(resolveIndex("index1"), resolveIndex("index2"), numberOfShards);
     }
 
-    @AwaitsFix(bugUrl = "https://github.com/elastic/elasticsearch/issues/33337")
     public void testFollowIndexAndCloseNode() throws Exception {
         internalCluster().ensureAtLeastNumDataNodes(3);
         String leaderIndexSettings = getIndexSettings(3, 1, singletonMap(IndexSettings.INDEX_SOFT_DELETES_SETTING.getKey(), "true"));