Remove empty file UnionColor & reference to UnionColor
@@ -174,7 +174,7 @@ public abstract class Color {
if (alternates.size() == 1) {
return Iterables.getOnlyElement(alternates);
}
- // Flatten other UnionColors
+ // Flatten nested unions
ImmutableSet.Builder<Color> flatAlternates = ImmutableSet.builder();
for (Color alternate : alternates) {
switch (alternate.kind()) {
