restructure domain-presenter relation

domain/domain.go

@@ -1,16 +1,10 @@
 package domain
 
-type PresenterInterface interface {
-	Init()
-}
-
 type Domain struct {
-	Context   Context
-	Presenter PresenterInterface
+	Context Context
 }
 
 func (d Domain) Init() {
-	d.Presenter.Init()
 	menu_manager := MenuManager{}
 	menu_manager.Init()
 	// level_manager := LevelManager{}