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/DirectPortListCompleter.java b/apps/openstacknetworking/app/src/main/java/org/onosproject/openstacknetworking/cli/DirectPortListCompleter.java
index fbf8100..fa56894 100644
--- a/apps/openstacknetworking/app/src/main/java/org/onosproject/openstacknetworking/cli/DirectPortListCompleter.java
+++ b/apps/openstacknetworking/app/src/main/java/org/onosproject/openstacknetworking/cli/DirectPortListCompleter.java
@@ -20,7 +20,6 @@
 import org.apache.karaf.shell.api.console.Completer;
 import org.apache.karaf.shell.api.console.Session;
 import org.apache.karaf.shell.support.completers.StringsCompleter;
-import org.onosproject.cli.AbstractShellCommand;
 import org.onosproject.openstacknetworking.api.OpenstackNetworkService;
 import org.openstack4j.model.network.Port;
 
@@ -30,6 +29,7 @@
 import java.util.SortedSet;
 import java.util.stream.Collectors;
 
+import static org.onosproject.cli.AbstractShellCommand.get;
 import static org.onosproject.openstacknetworking.api.Constants.DIRECT;
 
 /**
@@ -41,7 +41,7 @@
     @Override
     public int complete(Session session, CommandLine commandLine, List<String> candidates) {
         StringsCompleter delegate = new StringsCompleter();
-        OpenstackNetworkService osNetService = AbstractShellCommand.get(OpenstackNetworkService.class);
+        OpenstackNetworkService osNetService = get(OpenstackNetworkService.class);
         Set<String> set = osNetService.ports().stream()
                 .filter(port -> port.getvNicType().equals(DIRECT))
                 .map(Port::getId)