[Differential] [Updated] D821: Drop not needed KF5::Plasma dependency

[graesslin (Martin Gräßlin)]

graesslin added a reviewer: Plasma.
graesslin added a project: Plasma.

REPOSITORY
  rKSCREENLOCKER KScreenLocker

REVISION DETAIL
  https://phabricator.kde.org/D821

EMAIL PREFERENCES
  https://phabricator.kde.org/settings/panel/emailpreferences/

To: graesslin, bshah, Plasma
Cc: plasma-devel