Delete unused files
Delete unused files

microelectron/Avalon-nano-firmware,Canaan-Creative/Avalon-nano,microelectron/Avalon-nano-firmware,microelectron/Avalon-nano-firmware,Canaan-Creative/Avalon-nano,Canaan-Creative/Avalon-nano,Canaan-Creative/Avalon-nano,Canaan-Creative/Avalon-nano,Canaan-Creative/Avalon-nano,Canaan-Creative/Avalon-nano,microelectron/Avalon-nano-firmware,Canaan-Creative/Avalon-nano