[Cursors] Remove Resolution Dependant option
Summary:
This option don't work as expected for years on X, and current wayland protocol don't allow to have a proper size for all application (each framework came with this own solution for this option, that mean we will not have same cursor size on different application)
We set default size as 24
BUG: 385920
BUG: 413783
Reviewers: Plasma, meven, davidedmundson, ngraham
Reviewed By: ngraham
Subscribers: ngraham, plasma-devel, kde-doc-english
Tags: Plasma, Documentation
Maniphest Tasks: T12040
Differential Revision: https://phabricator.kde.org/D28652