D7875: Remove the final endl at the end of qDebug &co

[Aleix Pol Gonzalez]

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

REPOSITORY
  R313 KHtml

BRANCH
  debug-no-endl

REVISION DETAIL
  https://phabricator.kde.org/D7875

To: ltoscano, apol
Cc: #frameworks