How do I remove a website from Ubuntu’s web applications?
How can I remove the Facebook app that is displayed in Dash and in the Launcher?
When I went to Facebook using Firefox the first time, it asked me to install that. But now I can't find out how to remove it. It's not in the Ubuntu Software Centre (searched for "facebook" in installed app return no result
EDIT: here is an image:
I have tried every method mentioned but the facebook is still there. Any idea?