Added desubroutinize option to generate-expected-outputs.py

Currently hb-subset always desubroutinizes CFF fonts.
Note that even with this option fonttools won't generate the expected subset CFF fonts. They were manually created & tweaked to match hb-subset output.

test/subset/generate-expected-outputs.py

@@ -23,6 +23,7 @@ def generate_expected_output(input_file, unicodes, profile_flags, output_path):
 		     "--name-languages=*",
 		     "--name-legacy",
 		     "--drop-tables+=DSIG,GPOS,GSUB,GDEF",
+		     "--desubroutinize",
 		     "--unicodes=%s" % unicodes,
 		     "--output-file=%s" % output_path])
 	check_call(args)