remove unused import

src/main/java/com/owncloud/android/files/services/FileUploader.java

@@ -66,7 +66,6 @@ import com.owncloud.android.lib.common.operations.RemoteOperationResult;
 import com.owncloud.android.lib.common.operations.RemoteOperationResult.ResultCode;
 import com.owncloud.android.lib.common.utils.Log_OC;
 import com.owncloud.android.lib.resources.files.FileUtils;
-import com.owncloud.android.lib.resources.status.OwnCloudVersion;
 import com.owncloud.android.operations.UploadFileOperation;
 import com.owncloud.android.ui.activity.FileActivity;
 import com.owncloud.android.ui.activity.UploadListActivity;