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

ui/display/chromeos/test/test_native_display_delegate.cc

Index: ui/display/chromeos/test/test_native_display_delegate.cc
diff --git a/ui/display/chromeos/test/test_native_display_delegate.cc b/ui/display/chromeos/test/test_native_display_delegate.cc
index dfffe3c7a051bc9ba36bde67db9e0f11bb085b76..f1b0101f0b2ef4868623966485d087992e6e6016 100644
--- a/ui/display/chromeos/test/test_native_display_delegate.cc
+++ b/ui/display/chromeos/test/test_native_display_delegate.cc
@@ -132,13 +132,6 @@
   return false;
 }
 
-bool TestNativeDisplayDelegate::SetGammaRamp(
-    const ui::DisplaySnapshot& output,
-    const std::vector<GammaRampRGBEntry>& lut) {
-  log_->AppendAction(SetGammaRampAction(output, lut));
-  return true;
-}
-
 void TestNativeDisplayDelegate::AddObserver(NativeDisplayObserver* observer) {
 }