MdePkg: Remove X86 ASM and S files

NASM has replaced ASM and S files.
1. Remove ASM from all modules.
2. Remove S files from the drivers only.
3. https://bugzilla.tianocore.org/show_bug.cgi?id=881
After NASM is updated, S files can be removed from Library.

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Liming Gao <liming.gao@intel.com>
Reviewed-by: Michael Kinney <michael.d.kinney@intel.com>

MdePkg/Library/BaseCpuLib/X64/CpuFlushTlb.asm

@@ -1,38 +0,0 @@
-;------------------------------------------------------------------------------ ;
-; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
-; This program and the accompanying materials
-; are licensed and made available under the terms and conditions of the BSD License
-; which accompanies this distribution.  The full text of the license may be found at
-; http://opensource.org/licenses/bsd-license.php.
-;
-; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-;
-; Module Name:
-;
-;   CpuFlushTlb.Asm
-;
-; Abstract:
-;
-;   CpuFlushTlb function
-;
-; Notes:
-;
-;------------------------------------------------------------------------------
-
-    .code
-
-;------------------------------------------------------------------------------
-; VOID
-; EFIAPI
-; CpuFlushTlb (
-;   VOID
-;   );
-;------------------------------------------------------------------------------
-CpuFlushTlb PROC
-    mov     rax, cr3
-    mov     cr3, rax
-    ret
-CpuFlushTlb ENDP
-
-    END

MdePkg/Library/BaseCpuLib/X64/CpuSleep.asm

@@ -1,37 +0,0 @@
-;------------------------------------------------------------------------------ ;
-; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
-; This program and the accompanying materials
-; are licensed and made available under the terms and conditions of the BSD License
-; which accompanies this distribution.  The full text of the license may be found at
-; http://opensource.org/licenses/bsd-license.php.
-;
-; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-;
-; Module Name:
-;
-;   CpuSleep.Asm
-;
-; Abstract:
-;
-;   CpuSleep function
-;
-; Notes:
-;
-;------------------------------------------------------------------------------
-
-    .code
-
-;------------------------------------------------------------------------------
-; VOID
-; EFIAPI
-; CpuSleep (
-;   VOID
-;   );
-;------------------------------------------------------------------------------
-CpuSleep    PROC
-    hlt
-    ret
-CpuSleep    ENDP
-
-    END