MdePkg/ArmLib: Drop obsolete library declarations

Drop obsolete library declarations that are no longer (and should not
be) implemented in EDK2 or UEFI, given that they are specific to the
secure world.

Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
diff --git a/MdePkg/Include/AArch64/AArch64.h b/MdePkg/Include/AArch64/AArch64.h
index a77c3a9..c1a24c1 100644
--- a/MdePkg/Include/AArch64/AArch64.h
+++ b/MdePkg/Include/AArch64/AArch64.h
@@ -234,11 +234,6 @@
   VOID

   );

 

-UINTN

-ArmWriteCptr (

-  IN  UINT64  Cptr

-  );

-

 UINT32

 ArmReadCntHctl (

   VOID

diff --git a/MdePkg/Include/Library/ArmLib.h b/MdePkg/Include/Library/ArmLib.h
index 71c2076..6a1503a 100644
--- a/MdePkg/Include/Library/ArmLib.h
+++ b/MdePkg/Include/Library/ArmLib.h
@@ -515,42 +515,6 @@
   VOID

   );

 

-/**

-  Get the Secure Configuration Register value

-

-  @return   Value read from the Secure Configuration Register

-

-**/

-UINT32

-EFIAPI

-ArmReadScr (

-  VOID

-  );

-

-/**

-  Set the Secure Configuration Register

-

-  @param Value   Value to write to the Secure Configuration Register

-

-**/

-VOID

-EFIAPI

-ArmWriteScr (

-  IN  UINT32  Value

-  );

-

-UINT32

-EFIAPI

-ArmReadMVBar (

-  VOID

-  );

-

-VOID

-EFIAPI

-ArmWriteMVBar (

-  IN  UINT32  VectorMonitorBase

-  );

-

 UINT32

 EFIAPI

 ArmReadSctlr (