mobile: Remove SetScreenSize/Scale

mobile/impl_empty.go

@@ -22,12 +22,6 @@ import (
 	"github.com/hajimehoshi/ebiten"
 )
 
-func setScreenSize(width, height int) {
-}
-
-func setScreenScale(scale float64) {
-}
-
 func render() error {
 	return nil
 }

mobile/impl_mobile.go

@@ -25,14 +25,6 @@ import (
 
 var chError <-chan error
 
-func setScreenSize(width, height int) {
-	ui.CurrentUI().SetScreenSize(width, height)
-}
-
-func setScreenScale(scale float64) {
-	ui.CurrentUI().SetScreenScale(scale)
-}
-
 func render() error {
 	if chError == nil {
 		return errors.New("mobile: chError must not be nil: Start is not called yet?")

mobile/mobile.go

@@ -20,8 +20,6 @@ import (
 )
 
 type EventDispatcher interface {
-	SetScreenSize(width, height int)
-	SetScreenScale(scale float64)
 	Render() error
 
 	// UpdateTouchesOnAndroid updates the touch state on Android.
@@ -58,14 +56,6 @@ type eventDispatcher struct {
 	touches map[int]position
 }
 
-func (e *eventDispatcher) SetScreenSize(width, height int) {
-	setScreenSize(width, height)
-}
-
-func (e *eventDispatcher) SetScreenScale(scale float64) {
-	setScreenScale(scale)
-}
-
 func (e *eventDispatcher) Render() error {
 	return render()
 }