Remove openSUSE 42.3 packages
We deprecated it in #4395 (closed), and announced 12.1 would be the last version with packages for openSUSE 42.3. Now, we should actually remove the jobs from CI
We deprecated it in #4395 (closed), and announced 12.1 would be the last version with packages for openSUSE 42.3. Now, we should actually remove the jobs from CI