Revert of Load and apply a vcgt table from an ICC file to the internal display

ui/ozone/platform/drm/host/drm_native_display_delegate.cc

Index: ui/ozone/platform/drm/host/drm_native_display_delegate.cc
diff --git a/ui/ozone/platform/drm/host/drm_native_display_delegate.cc b/ui/ozone/platform/drm/host/drm_native_display_delegate.cc
index fffa9ca864bcb0bfa3be0c37fa408111e2801a47..b2001657e974d495e3b1a2965cf1a21af9171883 100644
--- a/ui/ozone/platform/drm/host/drm_native_display_delegate.cc
+++ b/ui/ozone/platform/drm/host/drm_native_display_delegate.cc
@@ -241,13 +241,6 @@
     ColorCalibrationProfile new_profile) {
   NOTIMPLEMENTED();
   return false;
-}
-
-bool DrmNativeDisplayDelegate::SetGammaRamp(
-    const ui::DisplaySnapshot& output,
-    const std::vector<GammaRampRGBEntry>& lut) {
-  proxy_->Send(new OzoneGpuMsg_SetGammaRamp(output.display_id(), lut));
-  return true;
 }
 
 void DrmNativeDisplayDelegate::AddObserver(NativeDisplayObserver* observer) {