Recommendation: drop ProvidersUrl entry to rely on default value

[Christoph Feck]

On 01/30/20 13:53, Friedrich W. H. Kossebau wrote:
> as found out by discussion on irc, a good solution for everyone relying on the
> default GHNS storage as provided by KDE is to just not hard-code any value for
> ProvidersUrl, but leave it out and let KNewStuff default to what is built into
> the KNewStuff library as current value.

Does it work with all KNewStuff 5.x versions? Otherwise, the required
KF5 version would need to be bumped where this change was made.

-- 
Christoph Feck