how to remove deleted files from git code example

Example 1: git remove from folder

rm -rf .git

Example 2: git recover deleted file

rm -rf deleted file, if there is any commit before use git commands:
// 1 Find out which comit has the copy of deleted file
git log         
// 2 Use checkout to locate which comit what file location
git checkout branch-number-here -- file/location/in/folder/without/quote
example: git checkout 476c714 -- mvc/public/js/bundle.js

Example 3: remove git deleted files

git commit -m "Deleted files manually"