fix checkstyle issue

Author: GabrielBrascher

utils/src/main/java/com/cloud/utils/UriUtils.java

@@ -23,7 +23,6 @@
 import java.io.IOException;
 import java.io.InputStream;
 import java.net.HttpURLConnection;
-import java.net.Inet6Address;
 import java.net.InetAddress;
 import java.net.URI;
 import java.net.URISyntaxException;