refactor: use new internal arg failure func

cli/server/remove.go

@@ -1,6 +1,9 @@
 package server
 
 import (
+	"errors"
+
+	"coopcloud.tech/abra/cli/internal"
 	"coopcloud.tech/abra/client"
 	"github.com/sirupsen/logrus"
 	"github.com/urfave/cli/v2"
@@ -14,7 +17,7 @@ var serverRemoveCommand = &cli.Command{
 	Action: func(c *cli.Context) error {
 		server := c.Args().First()
 		if server == "" {
-			return cli.ShowSubcommandHelp(c)
+			internal.ShowSubcommandHelpAndError(c, errors.New("no server provided"))
 		}
 		if err := client.DeleteContext(server); err != nil {
 			logrus.Fatal(err)