remove.sh

#!/bin/bash

ROOTPASS="password"

echo "Enter username to delete:"
read USERNAME

mysql -uroot --password=$ROOTPASS -e "DROP USER $USERNAME@localhost"
mysql -uroot --password=$ROOTPASS -e "DROP DATABASE $USERNAME"
rm -f /etc/nginx/sites-enabled/$USERNAME.conf
rm -f /etc/nginx/sites-available/$USERNAME.conf
rm -f /etc/php-fpm.d/$USERNAME.conf
find /var/log/nginx/ -type f -name "$USERNAME-*" -exec rm '{}' \;

service nginx reload
service php-fpm reload

userdel -rf $USERNAME