Revert "UefiCpuPkg: Has APs in 64 bit long-mode before booting to OS."

This reverts commit 73ccde8f6d since it
results in a hang of the IA32 processor and needs further clean-up.

Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=4234
Cc: Eric Dong <eric.dong@intel.com>
Cc: Ray Ni <ray.ni@intel.com>
Cc: Rahul Kumar <rahul1.kumar@intel.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Yuanhao Xie <yuanhao.xie@intel.com>

UefiCpuPkg/Library/MpInitLib/DxeMpInitLib.inf

@@ -1,7 +1,7 @@
 ## @file
 #  MP Initialize Library instance for DXE driver.
 #
-#  Copyright (c) 2016 - 2022, Intel Corporation. All rights reserved.<BR>
+#  Copyright (c) 2016 - 2021, Intel Corporation. All rights reserved.<BR>
 #  SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 ##
@@ -24,11 +24,9 @@
 [Sources.IA32]
   Ia32/AmdSev.c
   Ia32/MpFuncs.nasm
-  Ia32/CreatePageTable.c
 
 [Sources.X64]
   X64/AmdSev.c
-  X64/CreatePageTable.c
   X64/MpFuncs.nasm
 
 [Sources.common]
@@ -59,9 +57,6 @@
   CcExitLib
   MicrocodeLib
 
-[LibraryClasses.X64]
-  CpuPageTableLib
-
 [Protocols]
   gEfiTimerArchProtocolGuid                     ## SOMETIMES_CONSUMES