Summary:
It doesn't do much and can be inlined into LanDeviceLink.

TODO: Figure out why sendfiletest fails

Test Plan: Receiving files still works

Reviewers: #kde_connect, albertvaka

Reviewed By: #kde_connect, albertvaka

Subscribers: albertvaka, kdeconnect

Tags: #kde_connect

Differential Revision: https://phabricator.kde.org/D14597