Show 'databricks bundle init' template in CLI prompt (databricks#725)

~(this should be changed to target `main`)~

This reveals the template from
databricks#686 in CLI prompts for once databricks#686
and databricks#708 are merged.

---------

Co-authored-by: Andrew Nester <andrew.nester@databricks.com>
Co-authored-by: PaulCornellDB <paul.cornell@databricks.com>
Co-authored-by: Pieter Noordhuis <pieter.noordhuis@databricks.com>
Signed-off-by: Arpit Jasapara <arpit.jasapara@databricks.com>

cmd/bundle/init.go

@@ -7,6 +7,7 @@ import (
 	"strings"
 
 	"github.com/databricks/cli/cmd/root"
+	"github.com/databricks/cli/libs/cmdio"
 	"github.com/databricks/cli/libs/git"
 	"github.com/databricks/cli/libs/template"
 	"github.com/spf13/cobra"
@@ -57,9 +58,6 @@ func newInitCommand() *cobra.Command {
 		if len(args) > 0 {
 			templatePath = args[0]
 		} else {
-			return errors.New("please specify a template")
-
-			/* TODO: propose to use default-python (once #708 is merged)
 			var err error
 			if !cmdio.IsOutTTY(ctx) || !cmdio.IsInTTY(ctx) {
 				return errors.New("please specify a template")
@@ -68,7 +66,6 @@ func newInitCommand() *cobra.Command {
 			if err != nil {
 				return err
 			}
-			*/
 		}
 
 		if !isRepoUrl(templatePath) {