Revert "Adding pm-utils support to sddm"

This reverts commit 613829d9803d1e0a30274bae5edd10f5a0e20dad.
Merge branch 'master' of https://github.com/Teknocrat/sddm
Revert "Support for User configurable log file and auth file"

This reverts commit 678802a3d6e8217d1d446970da0c11aabf63b788.