upower: cleanup
upower: cleanup

* correct inputs
* drop dbus-glib
  Has not been needed for a very long
  time.
* intltool -> gettext
* add optional libimobiledevice
* propagate glib
  It's in Requires
* dev output
* drop useSystemd

NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs