Rename all variables to remove "cricontainerd".

Signed-off-by: Lantao Liu <lantaol@google.com>

cli/cli.go

@@ -49,7 +49,7 @@ var loadCommand = cli.Command{
 			timeout = context.GlobalDuration("timeout")
 			cancel  gocontext.CancelFunc
 		)
-		cl, err := client.NewCRIContainerdClient(address, timeout)
+		cl, err := client.NewCRIPluginClient(address, timeout)
 		if err != nil {
 			return errors.Wrap(err, "failed to create grpc client")
 		}