These extensions were disabled because they did not work properly and they
are no longer very useful. It does not make sense to keep
non-functional code around when it is unlikely to be fixed.
[ChangeLog][Extensions][The xcomposite-egl and xcomposite-glx shell
extension protocols have been removed.]
Task-number: QTBUG-97985
Change-Id: I0ad37bd2b35551d7b2b1e5e7d4e77a51037864ad
Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@qt.io>
Paul Olav Tvete
f8b59e8c78