remove command support

services/command.go

@@ -1,27 +0,0 @@
-package services
-
-import (
-	"github.com/rogeecn/atom/container"
-	"go.uber.org/dig"
-)
-
-type CommandService interface {
-	Register()
-	Execute() error
-}
-
-type Command struct {
-	dig.In
-
-	Commands []CommandService `group:"command_services"`
-}
-
-func ServeCommand(f func() error) error {
-	return container.Container.Invoke(func(command Command) error {
-		for _, cmd := range command.Commands {
-			cmd.Register()
-		}
-
-		return f()
-	})
-}