D27269: Use ecm_qt_install_logging_categories over manual categories file

[Ahmad Samir]

ahmadsamir added a reviewer: dfaure.

REPOSITORY
  R241 KIO

REVISION DETAIL
  https://phabricator.kde.org/D27269

To: kossebau, #build_system, #frameworks, broulik, mlaurent, dfaure
Cc: kde-frameworks-devel, LeGast00n, cblack, GB_2, michaelh, ngraham, bruns