Revert "Merge branch 'bugfix_race_edge'"
Revert "Merge branch 'bugfix_race_edge'"

This reverts commit fe75c6fbbc3e60594c6060368514892b6b83d65e, reversing
changes made to 17d8213c580500ce464bf4a3cb03e3901d046cd0.

wizkid057/eloipool,uingei/eloipool,thrasher-/eloipool,thrasher-/eloipool,thrasher-/eloipool,cinnamoncoin/eloipool-1,svasva/eloipool,jameshilliard/4tar-eloipool,pointgaming/point-gaming-btc,imsaguy/eloipool,ahmedbodi/SHA-Eloipool-MMCFE-,uingei/eloi