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

ui/ozone/platform/drm/gpu/drm_gpu_platform_support.cc

Index: ui/ozone/platform/drm/gpu/drm_gpu_platform_support.cc
diff --git a/ui/ozone/platform/drm/gpu/drm_gpu_platform_support.cc b/ui/ozone/platform/drm/gpu/drm_gpu_platform_support.cc
index 9a730bca3e8e86d35f22ada8e98d844aabf32cb2..0a9108ed841b52cdb97f0ed495cfbc53f1b8439d 100644
--- a/ui/ozone/platform/drm/gpu/drm_gpu_platform_support.cc
+++ b/ui/ozone/platform/drm/gpu/drm_gpu_platform_support.cc
@@ -216,7 +216,6 @@
   IPC_MESSAGE_HANDLER(OzoneGpuMsg_RemoveGraphicsDevice, OnRemoveGraphicsDevice)
   IPC_MESSAGE_HANDLER(OzoneGpuMsg_GetHDCPState, OnGetHDCPState)
   IPC_MESSAGE_HANDLER(OzoneGpuMsg_SetHDCPState, OnSetHDCPState)
-  IPC_MESSAGE_HANDLER(OzoneGpuMsg_SetGammaRamp, OnSetGammaRamp);
   IPC_MESSAGE_UNHANDLED(handled = false);
   IPC_END_MESSAGE_MAP()
 
@@ -295,12 +294,6 @@
   drm_device_manager_->RemoveDrmDevice(path);
 }
 
-void DrmGpuPlatformSupport::OnSetGammaRamp(
-    int64_t id,
-    const std::vector<GammaRampRGBEntry>& lut) {
-  ndd_->SetGammaRamp(id, lut);
-}
-
 void DrmGpuPlatformSupport::RelinquishGpuResources(
     const base::Closure& callback) {
   callback.Run();