MdePkg/BaseLib: Remove an unused PCD
MdePkg/BaseLib: Remove an unused PCD

The PCD below is unused, so it has been removed from inf.
gEfiMdePkgTokenSpaceGuid.PcdDebugPropertyMask

Cc: Michael D Kinney <fd20bc543a9f65bb633fac7d08a403c1f1c8eb6c@intel.com>
Cc: Liming Gao <6480311aeeb4b006862f6d13ebabddc03f51e507@intel.com>
Cc: Laszlo Ersek <7437296077edea1cb64451c122c4dac071f0cfbc@redhat.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: shenglei <bc08ecbbf1316cc766ca5aae38ff0e194af9f1cf@intel.com>
Reviewed-by: Laszlo Ersek <7437296077edea1cb64451c122c4dac071f0cfbc@redhat.com>

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