Remove unsupported font weight names.
These duplicate some weight numbers and we're not prepared to deal
with that yet.  No files currently in noto-source or noto-fonts use
these names.
@@ -123,10 +123,8 @@ WEIGHTS = {
'ExtraLight': 200,
'Light': 300,
'DemiLight': 350,
- 'SemiLight': 350, # because currently some phase 3 fonts have this
'Regular': 400,
'Medium': 500,
- 'DemiBold': 600, # in case
'SemiBold': 600,
'Bold': 700,
'ExtraBold': 800,
