Refactor: reduce to number of column for better readability at SONA

Change-Id: Ic8dd78cfc219272f98f37651f244c3564755960c
diff --git a/apps/openstacknetworking/app/src/main/java/org/onosproject/openstacknetworking/cli/OpenstackNetworkListCommand.java b/apps/openstacknetworking/app/src/main/java/org/onosproject/openstacknetworking/cli/OpenstackNetworkListCommand.java
index 2c709f1..01a574d 100644
--- a/apps/openstacknetworking/app/src/main/java/org/onosproject/openstacknetworking/cli/OpenstackNetworkListCommand.java
+++ b/apps/openstacknetworking/app/src/main/java/org/onosproject/openstacknetworking/cli/OpenstackNetworkListCommand.java
@@ -30,6 +30,7 @@
 import java.util.List;
 import java.util.stream.Collectors;
 
+import static org.onosproject.cli.AbstractShellCommand.get;
 import static org.onosproject.openstacknetworking.util.OpenstackNetworkingUtil.modelEntityToJson;
 import static org.onosproject.openstacknetworking.util.OpenstackNetworkingUtil.prettyJson;
 
@@ -45,7 +46,7 @@
 
     @Override
     protected void doExecute() {
-        OpenstackNetworkService service = AbstractShellCommand.get(OpenstackNetworkService.class);
+        OpenstackNetworkService service = get(OpenstackNetworkService.class);
         List<Network> networks = Lists.newArrayList(service.networks());
         networks.sort(Comparator.comparing(Network::getName));