EmbeddedPkg/PrePiLib: drop unused PCD reference
EmbeddedPkg/PrePiLib: drop unused PCD reference

Drop the reference to gEmbeddedTokenSpaceGuid.PcdPrePiCpuMemorySize
which is never used.

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Ard Biesheuvel <66d3c5fdaeea7ff1f996ad04f2c45e08ab38e2f5@linaro.org>
Reviewed-by: Laszlo Ersek <7437296077edea1cb64451c122c4dac071f0cfbc@redhat.com>
Reviewed-by: Leif Lindholm <a613079f0455438b29e28a9c5b9eb3779a81a33a@linaro.org>

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