linux: remove cpufreq-threshold.service
linux: meh modeswitch

... what a nonsense hardware

"however, any recent version of ath9k_htc should handle this"
linux: remove ati_remote modprobe hack

...xbmc has "disable mouse and touchscreen support
util-linux: remove unused sysctl.d/swapiness.conf

no swap support here by default. advanced users who
want swap can set swppines via .config/sysctl.d/
busybox: remove unneeded sysctl.d/ files