Remove high() and low() procs from queues module
Remove high() and low() procs from queues module

Just in case as they are said not overloadable. No deprecation because this is during a PR: those procs didn't exist before.
Also update comment due to failed optimization attempt using copyMem() for POD datatypes.

mbaulch/Nim,mbaulch/Nim,mbaulch/Nim,jfhg/Nim,russpowers/Nim,haiodo/Nim,dom96/Nim,singularperturbation/Nim,dom96/Nim,mbaulch/Nim,mbaulch/Nim,jfhg/Nim,zachaysan/Nim,russpowers/Nim,russpowers/Nim,tulayang/Nim,zachaysan/Nim,mbaulch/Nim,russpowers/Nim,dom96/Nim,jfhg/Nim,dom96/Nim,haiodo/Nim,haiodo/Nim,singularperturbation/Nim,singularperturbation/Nim,zachaysan/Nim,zachaysan/Nim,jfhg/Nim,haiodo/Nim,zachaysan/Nim,jfhg/Nim,tulayang/Nim,jfhg/Nim,russpowers/Nim,russpowers/Nim,russpowers/Nim,singularperturbation/Nim,singularperturbation/Nim,mbaulch/Nim,tulayang/Nim,haiodo/Nim,tulayang/Nim,haiodo/Nim,dom96/Nim,singularperturbation/Nim,zachaysan/Nim,dom96/Nim,haiodo/Nim,tulayang/Nim,zachaysan/Nim,singularperturbation/Nim,tulayang/Nim,dom96/Nim,jfhg/Nim