Removes Github/Git history from https://hellocoding.wordpress.com/2015/01/19/delete-all-commit-history-github/
$ cd myproject
$ sudo rm -rf .git
# And delete the ‘.git folder’ with this command.
$ git init
# Now, let us re-initialize the repository.
$ git remote add origin https://github.com/acsudeep/myproject.git
# add remote url
$ git remote -v
# verify
# Next, let us add all our files and commit the changes.
$ git add --all
$ git commit -am 'initial commit'
#Now, since we just have one commit i.e ‘initial commit’. Let us force push update to our master branch of our project repository.
$ git push -f origin master