D10485: [lookandfeel kcm] Do not declare plugin in lookandfeeltool code version

[Friedrich W . H . Kossebau]

kossebau added a reviewer: mart.

REPOSITORY
  R119 Plasma Desktop

REVISION DETAIL
  https://phabricator.kde.org/D10485

To: kossebau, #freebsd, tcberner, bshah, mart
Cc: plasma-devel, ZrenBot, progwolff, lesliezhai, ali-mohamed, jensreuterberg, 
abetts, sebas, apol, mart