Clean up mc_flow_dispenser()
Clean up mc_flow_dispenser()

Remove unneeded statements.

Change-Id: Ic7a3079eb36e1ec6988390958565e13d5965b30d

ShiftMediaProject/libvpx,webmproject/libvpx,webmproject/libvpx,ShiftMediaProject/libvpx,webmproject/libvpx,ShiftMediaProject/libvpx,ShiftMediaProject/libvpx,ShiftMediaProject/libvpx,webmproject/libvpx,webmproject/libvpx,webmproject/libvpx