Revert "MdePkg/Protocol/Hash: introduce GUID for SM3"

Revert "MdePkg/Protocol/Hash: introduce GUID for SM3"

This reverts commit 49c1e683c452f68c7315454280d81449f7d94d2b.

The reason is that said commit had not been reviewed by MdePkg
maintainers, before it was pushed.

Cc: Imran Desai <imran.desai@intel.com>
Cc: Leif Lindholm <leif.lindholm@linaro.org>
Cc: Liming Gao <liming.gao@intel.com>
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=1781
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
Reviewed-by: Philippe Mathieu-Daude <philmd@redhat.com>