D10339: Drop obsolete version checks

[Aleix Pol Gonzalez]

apol accepted this revision.
This revision is now accepted and ready to land.

REPOSITORY
  R306 KParts

BRANCH
  master

REVISION DETAIL
  https://phabricator.kde.org/D10339

To: heikobecker, #frameworks, apol
Cc: michaelh, ngraham