Post rebase fix

Author: Spaceman1984

server/src/main/java/com/cloud/storage/download/DownloadMonitorImpl.java

@@ -24,9 +24,7 @@
 import com.cloud.storage.Storage;
 import com.cloud.storage.Storage.ImageFormat;
 import com.cloud.storage.VMTemplateStorageResourceAssoc.Status;
-import com.cloud.storage.Volume;
 import com.cloud.storage.dao.VMTemplateDao;
-import com.cloud.storage.dao.VolumeDao;
 import com.cloud.storage.download.managementserver.ManagementServerDownloader;
 import com.cloud.storage.template.TemplateConstants;
 import com.cloud.storage.upload.UploadListener;