Remove all CIs for 'buildsystem' branch
Remove all CIs for 'buildsystem' branch

This branch doesn't exist anymore in any repository.

Change-Id: Ifa61016788ca8cb649142e4fc883d3fb97644e2d
Reviewed-by: Simo Fält <b598cfbc9cb80e3067479e5abd365cdf44c9b327@digia.com>
Reviewed-by: Tony Sarajärvi <9f5d03eac1d5fa677086d4fb7148df11e4536984@digia.com>
Reviewed-by: Janne Anttila <237e68234a327a5775cffcea05af0474ad4190b9@digia.com>

tsarajar/qtqa,tsarajar/qtqa,tsarajar/qtqa,tsarajar/qtqa