use grub/shim from host system

Also the boot method is now configured globaly as this is
the only way to make sure that unkonwn nodes get the right
stuff

Signed-off-by: Christian Goll <cgoll@suse.com>

internal/app/wwctl/container/delete/main.go

@@ -2,15 +2,11 @@ package delete
 
 import (
 	"fmt"
-	"os"
 
 	"github.com/hpcng/warewulf/internal/pkg/api/container"
 	"github.com/hpcng/warewulf/internal/pkg/api/routes/wwapiv1"
 	apiutil "github.com/hpcng/warewulf/internal/pkg/api/util"
-	"github.com/hpcng/warewulf/internal/pkg/util"
 
-	"github.com/hpcng/warewulf/internal/pkg/node"
-	"github.com/hpcng/warewulf/internal/pkg/wwlog"
 	"github.com/spf13/cobra"
 )
 
@@ -18,21 +14,7 @@ func CobraRunE(cmd *cobra.Command, args []string) (err error) {
 	cdp := &wwapiv1.ContainerDeleteParameter{
 		ContainerNames: args,
 	}
-	nodeDB, err := node.New()
-	if err != nil {
-		wwlog.Error("Failed to open node database: %s", err)
-		os.Exit(1)
-	}
 
-	profiles, err := nodeDB.MapAllProfiles()
-	if err != nil {
-		wwlog.Error("Could not load all profiles: %s", err)
-		os.Exit(1)
-	}
-
-	if util.InSlice(args, profiles["default"].ContainerName.Get()) {
-		return fmt.Errorf("can't delete container which is in the default profile")
-	}
 	if !SetYes {
 		yes := apiutil.ConfirmationPrompt(fmt.Sprintf("Are you sure you want to delete container %s", args))
 		if !yes {