This reverts commit 74089697cf.
Revert of commercial license headers is required for the
Qt 6.2.x opensource releases, Qt 6.2.5 onwards.
Task-number: QTBUG-107760
Change-Id: Id49069cb5e5f261da185fd082dfb71deb259d387
Reviewed-by: Ulf Hermann <ulf.hermann@qt.io>