Squashed 'modules/keatures/ktopic/' changes from effa73e..4525612

4525612 Del: Remove useless 'kdata_entity_views_handler_relationship' in current stage, and it need to be in a separated file in order to avoid issue when exists.

git-subtree-dir: modules/keatures/ktopic
git-subtree-split: 4525612a342afe436f2f966d46f4e5bcb5ba2c15
Merge commit '6aed78e7bc3db63184e795951f03e705f43514f8' into 7.x-1.x