remove git deleted files

git add -u
git commit -m "Deleted files manually"
git add .  => Add all (tracked and modified)/new files in the working tree.

git add -u => Add all modified/removed files which are tracked.

git add -A => Add all (tracked and modified)/(tracked and removed)/new files in the working tree.

git commit -a -m "commit message" - Add and commit modified/removed files which are tracked.