internal/glfwwin: remove GammaRamp

internal/glfwwin/glfw3h_windows.go

@@ -345,12 +345,6 @@ type VidMode struct {
 	RefreshRate int
 }
 
-type GammaRamp struct {
-	Red   []int
-	Green []int
-	Blue  []int
-}
-
 type Image struct {
 	Width  int
 	Height int

internal/glfwwin/init_windows.go

@@ -36,12 +36,6 @@ func terminate() error {
 		}
 	}
 
-	for _, monitor := range _glfw.monitors {
-		if len(monitor.originalRamp.Red) != 0 {
-			monitor.platformSetGammaRamp(&monitor.originalRamp)
-		}
-	}
-
 	_glfw.monitors = nil
 
 	if err := platformTerminate(); err != nil {

internal/glfwwin/internal_windows.go

@@ -225,9 +225,6 @@ type Monitor struct {
 	modes       []*VidMode
 	currentMode *VidMode
 
-	originalRamp GammaRamp
-	currentRamp  GammaRamp
-
 	win32 struct {
 		handle _HMONITOR
 

internal/glfwwin/win32monitor_windows.go

@@ -337,14 +337,6 @@ func (m *Monitor) platformGetVideoMode() *VidMode {
 	}
 }
 
-func (m *Monitor) platformGetGammaRamp(ramp *GammaRamp) {
-	panic("glfwwin: platformGetGammaRamp is not implemented")
-}
-
-func (m *Monitor) platformSetGammaRamp(ramp *GammaRamp) {
-	panic("glfwwin: platformSetGammaRamp is not implemented")
-}
-
 func (m *Monitor) in32Adapter() (string, error) {
 	if !_glfw.initialized {
 		return "", NotInitialized