remove old porting notes
remove old porting notes
crcx/retro-language,crcx/retro-language,crcx/retro-language,crcx/retro-language,crcx/retro-language,crcx/retro-language,crcx/retro-language,crcx/retro-language,crcx/retro-language,crcx/retro-language,crcx/retro-language,crcx/retro-language,crcx/retro-language