CorebootPayloadPkg: FbGop: remove set but unused variables
CorebootPayloadPkg: FbGop: remove set but unused variables

Cc: Maurice Ma <ffe085a909ec0c7dac9a0ba92c906627ea2355ed@intel.com>
Cc: Prince Agyeman <8266ea0dc7dcfed116b38f79ac994d74bf6c7216@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Laszlo Ersek <7437296077edea1cb64451c122c4dac071f0cfbc@redhat.com>
Reviewed-by: Jordan Justen <a79006884ba9cf5f4f7fcbb92a15b208780d8c97@intel.com>
Reviewed-by: Jeff Fan <7d6fed0251a47076d6e691789131f22f07d057b4@intel.com>

MattDevo/edk2,MattDevo/edk2,MattDevo/edk2,MattDevo/edk2,MattDevo/edk2,MattDevo/edk2,MattDevo/edk2,MattDevo/edk2