It's removed in Plasma 6.

CCBUG: 464528

In case of conflict in i18n, keep the version of the branch "ours"
To resolve a particular conflict, "git checkout --ours path/to/file.desktop"

CCBUG: 464528

BUG: 464528
CCBUG: 402376

We don't need the cpp lib, only the official C lib

BUG: 463466

Latte dock is using PlasmaQuick::Dialog and can load applets that use
PlasmaQuick::Dialog, which uses QWindow::position to cache the position
where the window is requested to be, so we need to opt out of this
Qt behavior.
BUG=461856