Rename the json.in files as json.cmake (fix i18n)
Summary:
The translation infrastructure of KDE handles only .json
and .json.cmake files. Renaming the files allow them to be
translated, without any other side-effect.
Test Plan: It compiles and the output seems to be the same.
Reviewers: tbaumgart
Reviewed By: tbaumgart
Subscribers: KMyMoney
Differential Revision: https://phabricator.kde.org/D18636