CryptoPkg/BaseCryptLib: Retire HMAC MD5 algorithm
    
    REF: https://bugzilla.tianocore.org/show_bug.cgi?id=1898
    
    HMAC MD5 is not secure any longer.
    Remove the HMAC MD5 support from edk2.
    Change the HMAC MD5 field name in EDKII_CRYPTO_PROTOCOL to indicate the
    function is unsupported any longer.
    
    Cc: Jian J Wang <jian.j.wang@intel.com>
    Cc: Xiaoyu Lu <xiaoyux.lu@intel.com>
    Cc: Siyuan Fu <siyuan.fu@intel.com>
    Cc: Michael D Kinney <michael.d.kinney@intel.com>
    Cc: Jiewen Yao <jiewen.yao@intel.com>
    Cc: Philippe Mathieu-Daude <philmd@redhat.com>
    Reviewed-by: Jian J Wang <jian.j.wang@intel.com>
    Signed-off-by: Zhichao Gao <zhichao.gao@intel.com>