How to clean Git commit history

# Create Orphan Branch
git checkout --orphan temp_branch

# Add Files to Branch and commit
git add -A
git commit -am "the first commit"

# Delete master Branch 
git branch -D main

# Rename temp/Current Branch to master
git branch -m main

# Push Changes to repo as master
git push -f origin main

Original post: How to Delete Commit History in Github