By Matt Hardy Russian athlete Natalya Antyukh has been stripped of the gold medal she won at the London 2012 Olympic Games due to historical sampling data which came out of a Moscow testing facility. The 400m hurdler – who is now 41 – is already distanced from track and field due to a four-year ban which she is currently serving after being named in a probe into cheating by the Russian team. The revocation of the gold medal now means that all three golds won by the Russian Federation on the London track have been rescinded due to doping. Antyukh joins Yuliya Zaripova – the 3,000m steeplechase …