Removing code for previous nop/vclk update mechanism.
Removing code for previous nop/vclk update mechanism.

sid17/weaver,sid17/weaver,Determinant/weaver,dubey/weaver,Determinant/weaver,sid17/weaver,dubey/weaver,sid17/weaver,Determinant/weaver,dubey/weaver,dubey/weaver,Determinant/weaver