the PyUtility is not used, so we remove it. (re-add this patch since it be reverted in Python3 migration patches, but this check is not related with Python3) Cc: Liming Gao <liming.gao@intel.com> Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Yonghong Zhu <yonghong.zhu@intel.com> Reviewed-by: Liming Gao <liming.gao@intel.com>