D20523: Remove a dead declaration

[Alexander Stippich]

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

REPOSITORY
  R824 Baloo Widgets

BRANCH
  cleanup

REVISION DETAIL
  https://phabricator.kde.org/D20523

To: bruns, #baloo, #frameworks, ngraham, astippich
Cc: gennad, domson, ashaposhnikov, astippich, spoorun, abrahams
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