Remove nsenter_i386.go, as it causes conflicts
Remove nsenter_i386.go, as it causes conflicts

pugna0/dockersh,chenrui2014/dockersh,Yelp/dockersh,Yelp/dockersh,mehulsbhatt/dockersh,beni55/dockersh,CS497-F15/dockersh,pugna0/dockersh,beni55/dockersh,CS497-F15/dockersh,mehulsbhatt/dockersh,chenrui2014/dockersh