Backed out changeset e959df5e9484 (bug 1872545) for bustages on COLRFonts.cpp

layout/base/nsPresContext.cpp

@@ -2948,8 +2948,6 @@ void nsPresContext::FlushFontPaletteValues() {
   mFontPaletteValueSet = styleSet->BuildFontPaletteValueSet();
   mFontPaletteValuesDirty = false;
 
-  mFontPaletteCache.SetPaletteValueSet(mFontPaletteValueSet);
-
   // Even if we're not reflowing anything, a change to the palette means we
   // need to repaint in order to show the new colors.
   InvalidatePaintedLayers();