remove misplaced serialize method (from compiler warning.)
remove misplaced serialize method (from compiler warning.)

BrewPi/firmware,BrewPi/firmware,BrewPi/firmware,BrewPi/firmware,glibersat/firmware,BrewPi/firmware,glibersat/firmware,BrewPi/firmware,glibersat/firmware,BrewPi/firmware,BrewPi/firmware,glibersat/firmware,glibersat/firmware,glibersat/firmware,glibersat/firmware