D10665: kcoreaddons_add_plugin: remove effectless OBJECT_DEPENDS on json file

[Aleix Pol Gonzalez]

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

REPOSITORY
  R244 KCoreAddons

BRANCH
  removeeffectlessOBJECT_DEPENDS

REVISION DETAIL
  https://phabricator.kde.org/D10665

To: kossebau, #frameworks, apol
Cc: michaelh