Delete all commit history in GitHub

Problem Scenario: You want to delete all commit history but keep the code in its current state.
Solution: In order to achieve this, Deleting .git folder may cause problems in your Git repository. Therefore follow below steps through command line to solve the above problem scenario.
Step 1: Checkout to some new branch

git checkout --orphan new_branch

Step 2: Add all the files

git add -A

Step 3: Commit the changes

git commit -am "commit message"

Step 4: Delete the master branch

git branch -D master

Step 5: Rename the current branch to master

git branch -m master

Step 6: Force update your repository

git push -f origin master