D22763: [KDirOperator] Use more human-readable sort order descriptions

[Méven Car]

meven added inline comments.

INLINE COMMENTS

> nicolasfella wrote in kdiroperator.cpp:1979
> Remove commented code

Thanks ;)

REPOSITORY
  R241 KIO

REVISION DETAIL
  https://phabricator.kde.org/D22763

To: meven, ngraham, #frameworks, nicolasfella
Cc: kde-frameworks-devel, LeGast00n, sbergeron, michaelh, ngraham, bruns