engine/storage: remove unused import

Fixes checkstyle issue caused by previous commit 6a511fc
from PR #3466 where a minor review fix did not address this. Merging this
one to unblock few other PRs after running a local build test.

Signed-off-by: Rohit Yadav <rohit.yadav@shapeblue.com>

Author: yadvr

engine/storage/snapshot/src/main/java/org/apache/cloudstack/storage/snapshot/CephSnapshotStrategy.java

@@ -29,7 +29,6 @@
 import org.apache.cloudstack.storage.datastore.db.SnapshotDataStoreVO;
 import org.apache.cloudstack.storage.datastore.db.StoragePoolVO;
 import org.apache.log4j.Logger;
-import org.springframework.stereotype.Component;
 
 import com.cloud.storage.DataStoreRole;
 import com.cloud.storage.Snapshot;