mod: cleanup TODO and outdated comments

src/style.zig

@@ -40,8 +40,6 @@ pub fn eql(this: Style, other: Style) bool {
     return meta.eql(this, other);
 }
 
-// TODO might be useful to use the std.ascii stuff!
-
 pub fn value(this: Style, writer: *std.Io.Writer, cp: u21) !void {
     var buffer: [4]u8 = undefined;
     const bytes = try unicode.utf8Encode(cp, &buffer);