D13792: Remove unused include

[Aleix Pol Gonzalez]

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

REPOSITORY
  R237 KConfig

REVISION DETAIL
  https://phabricator.kde.org/D13792

To: rempt, #frameworks, apol
Cc: kde-frameworks-devel, michaelh, ngraham, bruns