uninstalled npm still node-red is running in ubuntu16.04ls

I have completely removed nodejs and npm but the package which i had installed using npm i.e. node-red is running when I am typing "node-red " in terminal in ubuntu 16.04ls I had installed nodejs and and npm using "apt-get install nodejs npm" and then I installed node-red using npm install node-red -g

for uninstalling I did apt-get unistall npm nodejs it get uninstalled successfully but now when I am typing uninstalling node-red it is running

via Mangesh Divate