D6198: Add KAuth support to delete operation

[Chinmoy Ranjan Pradhan]

chinmoyr added a dependent revision: D6383: Add KAuth support to KIO's symlink 
operation.

REPOSITORY
  R241 KIO

REVISION DETAIL
  https://phabricator.kde.org/D6198

To: chinmoyr, elvisangelaccio, #frameworks
Cc: davidedmundson