UefiCpuPkg: Remove EDKII_PEI_MP_SERVICES2_PPI

EDKII_PEI_MP_SERVICES2_PPI has been renamed to EFI_PEI_MP_SERVICES2_PPI
and moved to MdePkg.

The related header and PPI GUID has been removed from UefiCpuPkg

Signed-off-by: Sachin Ganesh <[email protected]>

Author: sachinami

UefiCpuPkg/Include/Ppi/MpServices2.h

@@ -151,8 +151,6 @@
 #
 
 [Ppis]
-  gEdkiiPeiMpServices2PpiGuid =    { 0x5cb9cb3d, 0x31a4, 0x480c, { 0x94, 0x98, 0x29, 0xd2, 0x69, 0xba, 0xcf, 0xba}}
-
   ## Include/Ppi/ShadowMicrocode.h
   gEdkiiPeiShadowMicrocodePpiGuid = { 0x430f6965, 0x9a69, 0x41c5, { 0x93, 0xed, 0x8b, 0xf0, 0x64, 0x35, 0xc1, 0xc6 }}