remove auto tier switching
remove auto tier switching

this is now down in the API: https://github.com/heroku/api/pull/4587

vcgato29/heroku,duypq94/heroku,Faisalawanisee/heroku,greeca0204/heroku,sancopanco/heroku,greeca0204/heroku,macedo/heroku,macedo/heroku,sancopanco/heroku,gregburek/heroku,duypq94/heroku,greeca0204/heroku,Faisalawanisee/heroku,Faisalawanisee/heroku,gregburek/heroku,duypq94/heroku,vcgato29/heroku,gregburek/heroku,macedo/heroku,sancopanco/heroku,vcgato29/heroku