Follow UEFI 2.7 spec to deprecate SMM Communication ACPI Table, PiSmmCommunicationSmm will not install SMM Communication ACPI Table anymore. Cc: Jiewen Yao <jiewen.yao@intel.com> Cc: Jeff Fan <jeff.fan@intel.com> Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Star Zeng <star.zeng@intel.com> Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>