get rid of git stash code example

Example 1: remove stash files git

# remove all stashed files at once:
git stash clear
# remove a single stashed state from the stash list
git stash drop 'stash@{index}'

Example 2: stash clear list

git stash clear // to clear the whole list

Example 3: git delete stash

git stash drop stash@{index}   // here index will be shown after getting stash list.