Remove hyperthreading check on Linux
Remove hyperthreading check on Linux

This has been made obsolete by the thread affinity controls
for thread pools, and in fact gets in the way of managing
affinity directly because of the way we mod the assignment
over the number of detected physical cores.

yangjin-unique/libphenom,rogerchina/libphenom,zhenglaizhang/libphenom,sakishum/libphenom,mhaberler/libphenom,mhaberler/libphenom,facebook/libphenom,zhenglaizhang/libphenom,facebook/libphenom,zhakui/libphenom,seem-sky/libphenom,ChinaLongGanHu/libphenom,facebook/libphenom,zhakui/libphenom,dailypips/libphenom,zhenglaizhang/libphenom,ChinaLongGanHu/libphenom,seem-sky/libphenom,seem-sky/libphenom,zhakui/libphenom,ChinaLongGanHu/libphenom,yangjin-unique/libphenom,facebook/libphenom,sakishum/libphenom,rogerchina/libphenom,yangjin-unique/libphenom,yangjin-unique/libphenom,seem-sky/libphenom,mhaberler/libphenom,facebook/libphenom,sakishum/libphenom,zhenglaizhang/libphenom,rogerchina/libphenom,dailypips/libphenom,sakishum/libphenom,dailypips/libphenom,sakishum/libphenom,rogerchina/libphenom,rogerchina/libphenom,ChinaLongGanHu/libphenom,zhakui/libphenom,dailypips/libphenom,ChinaLongGanHu/libphenom,zhakui/libphenom,dailypips/libphenom,zhenglaizhang/libphenom,mhaberler/libphenom,mhaberler/libphenom,seem-sky/libphenom,yangjin-unique/libphenom