Kickoff computer tab : don't display filepath for places in description

Summary:
The path of places is not very informative to users
Follow the path of D26121

Test Plan: {F7828297}

Reviewers: ngraham, #plasma, #vdg, hein

Reviewed By: ngraham, #plasma, #vdg, hein

Subscribers: hein, plasma-devel

Tags: #plasma

Differential Revision: https://phabricator.kde.org/D26147