HDDS-1872. Fix entry clean up from openKeyTable during complete MPU. (#1182)

(cherry picked from commit 88daa730a3a9168d8b18eeb4b52fdd77743290bc)

hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/KeyManagerImpl.java

@@ -1214,6 +1214,7 @@ public class KeyManagerImpl implements KeyManager {
             multipartKey);
         metadataManager.getKeyTable().putWithBatch(batch,
             ozoneKey, keyInfo);
+        metadataManager.getOpenKeyTable().deleteWithBatch(batch, multipartKey);
         store.commitBatchOperation(batch);
       }
       return new OmMultipartUploadCompleteInfo(omKeyArgs.getVolumeName(),