SHELL

remove heroku remote

git remote rm heroku

delete git remote heroku

$ git remote rm heroku // delete the heroku remote 
$ heroku git:remote -a NAME_OF_HEROKU_APP // reatributte the heroku app

how to remove remote heroku

$ git remote rm heroku // delete the heroku remote 
$ heroku git:remote -a NAME_OF_HEROKU_APP // reatributte the heroku app