remove bootloader related cruft. Wouldn't work anyway now SDK is v12
remove bootloader related cruft. Wouldn't work anyway now SDK is v12

lancernet/Espruino,lancernet/Espruino,luetgendorf/Espruino,wilberforce/Espruino,wilberforce/Espruino,lancernet/Espruino,luetgendorf/Espruino,lancernet/Espruino,wilberforce/Espruino,luetgendorf/Espruino,wilberforce/Espruino,luetgendorf/Espruino,lancernet/Espruino,lancernet/Espruino,luetgendorf/Espruino,wilberforce/Espruino,lancernet/Espruino,wilberforce/Espruino,luetgendorf/Espruino,luetgendorf/Espruino,wilberforce/Espruino