Remove dead warning code

Signed-off-by: Ulysses Souza <ulyssessouza@gmail.com>

cmd/compose/compose.go

@@ -89,9 +89,6 @@ func Adapt(fn Command) func(cmd *cobra.Command, args []string) error {
 	})
 }
 
-// Warning is a global warning to be displayed to user on command failure
-var Warning string
-
 type projectOptions struct {
 	ProjectName   string
 	Profiles      []string

cmd/main.go

@@ -32,11 +32,6 @@ import (
 	"github.com/docker/compose/v2/pkg/compose"
 )
 
-func init() {
-	commands.Warning = "The new 'docker compose' command is currently experimental. " +
-		"To provide feedback or request new features please open issues at https://github.com/docker/compose"
-}
-
 func pluginMain() {
 	plugin.Run(func(dockerCli command.Cli) *cobra.Command {
 		lazyInit := api.NewServiceProxy()