[WIP] Upgrade ONOS to karaf version 4.2.1

Change-Id: I7cd40c995bdf1c80f94b1895fb3344e32404c7fa
diff --git a/cli/src/main/java/org/onosproject/cli/net/vnet/VirtualNetworkIntentRemoveCommand.java b/cli/src/main/java/org/onosproject/cli/net/vnet/VirtualNetworkIntentRemoveCommand.java
index 7ba6791..0001d41 100644
--- a/cli/src/main/java/org/onosproject/cli/net/vnet/VirtualNetworkIntentRemoveCommand.java
+++ b/cli/src/main/java/org/onosproject/cli/net/vnet/VirtualNetworkIntentRemoveCommand.java
@@ -16,9 +16,10 @@
 
 package org.onosproject.cli.net.vnet;
 
-import org.apache.karaf.shell.commands.Argument;
-import org.apache.karaf.shell.commands.Command;
-import org.apache.karaf.shell.commands.Option;
+import org.apache.karaf.shell.api.action.Argument;
+import org.apache.karaf.shell.api.action.Command;
+import org.apache.karaf.shell.api.action.lifecycle.Service;
+import org.apache.karaf.shell.api.action.Option;
 import org.onosproject.cli.AbstractShellCommand;
 import org.onosproject.core.ApplicationId;
 import org.onosproject.core.CoreService;
@@ -44,6 +45,7 @@
 /**
  * Removes a virtual network intent.
  */
+@Service
 @Command(scope = "onos", name = "remove-vnet-intent",
         description = "Removes the virtual network intent")
 public class VirtualNetworkIntentRemoveCommand extends AbstractShellCommand {
@@ -75,7 +77,7 @@
     private static final EnumSet<IntentState> CAN_PURGE = EnumSet.of(WITHDRAWN, FAILED);
 
     @Override
-    protected void execute() {
+    protected void doExecute() {
         VirtualNetworkService service = get(VirtualNetworkService.class);
         IntentService intentService = service.get(NetworkId.networkId(networkId), IntentService.class);
         CoreService coreService = get(CoreService.class);