ArmPlatformPkg: remove all ArmPlatformGlobalVariableLib implementations

This removes the SEC, PEI and DXE variants of ArmPlatformGlobalVariableLib,
which is no longer used, and should not be used since it violates the PI
spec.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@18990 6f19259b-4bc3-4df7-8a09-765794883524

ArmPlatformPkg/Include/Library/ArmPlatformGlobalVariableLib.h

@@ -1,38 +0,0 @@
-/** @file
-*
-*  Copyright (c) 2011-2012, ARM Limited. All rights reserved.
-*
-*  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.
-*
-**/
-
-#ifndef __ARM_PLATFORM_GLOBAL_VARIABLE_LIB_H_
-#define __ARM_PLATFORM_GLOBAL_VARIABLE_LIB_H_
-
-VOID
-ArmPlatformGetGlobalVariable (
-  IN  UINTN     VariableOffset,
-  IN  UINTN     VariableSize,
-  OUT VOID*     Variable
-  );
-
-VOID
-ArmPlatformSetGlobalVariable (
-  IN  UINTN     VariableOffset,
-  IN  UINTN     VariableSize,
-  OUT VOID*     Variable
-  );
-
-VOID*
-ArmPlatformGetGlobalVariableAddress (
-  IN  UINTN     VariableOffset
-  );
-
-#endif
-