It was still referencing Qt 5 and qmake.

Pick-to: 6.6 6.5
Change-Id: Icc1716e4808f60fc6a91b8841eadbc221fc9acfc
Reviewed-by: Safiyyah Moosa <safiyyah.moosa@qt.io>
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>