configs/general: merge common-{assorted,mkinitcpio} -> configs-common.
configs/virtualbox: rename desktop-modules-vbox -> modules-vbox.
configs/critical: critical-ld: remove /usr/local/bin/ld kludge, not needed anymore.
configs/desktop: desktop-samba: remove, samba is not installed by default.
configs/desktop: rename desktop-systemd-pm-init -> systemd-pm-powersave.
configs: move general/common-serv-ssh to pool/own-serv-ssh.

Not needed by default.
configs/desktop: desktop-systemd: delete leftovers of ModemManager.

Not needed by default.
configs: split off KDE-related data into 'kde' group.
configs/desktop: rename desktop-systemd -> systemd-desktop.
configs/general: common-systemd: delete some entries unneeded by default (like hddtemp and lm_sensors).
configs/general: rename common-systemd -> systemd-common.