bmat@bmat:~$ sudo ppa-purge https://dl.winehq.org/wine-builds/ubuntu/
Updating packages lists
PPA to be removed: https://dl.winehq.org/wine-builds/ubuntu ppa
Warning:  Could not find package list for PPA: 
https://dl.winehq.org/wine-builds/ubuntu ppa
bmat@bmat:~$ sudo apt-get update
Hit:1 http://archive.ubuntu.com/ubuntu artful InRelease                
Hit:2 https://dl.winehq.org/wine-builds/ubuntu artful InRelease            
Reading package lists... Done                                              
bmat@bmat:~$ sudo apt-get install wine-stable
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
 wine-stable : Depends: wine-stable-i386 (= 2.0.3~artful)
E: Unable to correct problems, you have held broken packages.
bmat@bmat:~$