Not able to stop mysql --skip-grant-tables --skip-networking?

I used "--skip-grant-tables --skip-networking" command for reset root password. But after that my database running on the same mode. I completely uninstall mysql from my Ubuntu 18.0 by below commands-

sudo apt-get purge mysql-server mysql-client mysql-common mysql-server-core-* mysql-client-core-*
sudo rm -rf /etc/mysql /var/lib/mysql
sudo apt-get autoremove
sudo apt-get autoclean

After reinstalling mysql It's automatically running with --skip-grant-tables --skip-networking

user:~$ ps aux | grep mysqld

mysql 8463 8.3 2.2 1290748 177096 ? Sl 13:17 0:00 /usr/sbin/mysqld --daemonize --pid-file=/run/mysqld/mysqld.pid --skip-grant-tables --skip-networking
sunil 8518 0.0 0.0 21532 1088 pts/0 S+ 13:17 0:00 grep --color=auto mysqld

please help me to stop --skip-grant-tables --skip-networking

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