iOS 12: clean up old available checks

Taken from https://github.com/videolan/vlc-ios/pull/458 by @AndrewSB

changed milestone to %4.0.0

added Maintenance label

approved this merge request

added 2 commits

• 709c3f49 - 1 commit from branch videolan:master
• 2142c59d - iOS 12: clean up old available checks

Compare with previous version

enabled an automatic merge when all merge checks for 2142c59d pass

merged