remove legacy code
remove legacy code

skilljar/heroku-buildpack-python,ad-m/heroku-buildpack-python,ad-m/heroku-buildpack-python,Scalingo/python-buildpack,AltSchool/heroku-buildpack-python,heroku/heroku-buildpack-python,joshfriend/heroku-buildpack-python,heroku/heroku-buildpack-python,Scalingo/python-buildpack,andela-brotich/wger-buildpack-python,benmurden/heroku-buildpack-python-ember,benjaminfox/heroku-buildpack-python-geoip,edmorley/heroku-buildpack-python,benjaminfox/heroku-buildpack-python-geoip,AltSchool/heroku-buildpack-python,benmurden/heroku-buildpack-python-ember