PrmPkg: Remove the concept of OS services

OS services are no longer supported as of the current PRM design.

1. Removes OS services from PrmSampleHardwareAccessModule
2. Removes the PrmOsServices.h file

Cc: Andrew Fish <afish@apple.com>
Cc: Kang Gao <kang.gao@intel.com>
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Michael Kubacki <michael.kubacki@microsoft.com>
Cc: Leif Lindholm <leif@nuviainc.com>
Cc: Benjamin You <benjamin.you@intel.com>
Cc: Liu Yun <yun.y.liu@intel.com>
Cc: Ankit Sinha <ankit.sinha@intel.com>
Cc: Nate DeSimone <nathaniel.l.desimone@intel.com>
Signed-off-by: Michael Kubacki <michael.kubacki@microsoft.com>
Acked-by: Michael D Kinney <michael.d.kinney@intel.com>
Acked-by: Liming Gao <gaoliming@byosoft.com.cn>
Acked-by: Leif Lindholm <quic_llindhol@quicinc.com>
Reviewed-by: Ankit Sinha <ankit.sinha@intel.com>

PrmPkg/Include/PrmModule.h

@@ -15,7 +15,6 @@
 #include <PrmDataBuffer.h>
 #include <PrmExportDescriptor.h>
 #include <PrmMmio.h>
-#include <PrmOsServices.h>
 
 /**
   Macro that provides a condensed form of a PRM Handler.

PrmPkg/Include/PrmOsServices.h

@@ -1,45 +0,0 @@
-/** @file
-
-  Definitions for the Platform Runtime Mechanism (PRM) OS Services.
-
-  Note: OS Services have been removed from POR. This file has been reduced to just debug print
-        OS Service for use during PRM enabling.
-
-  Copyright (c) Microsoft Corporation
-  SPDX-License-Identifier: BSD-2-Clause-Patent
-
-**/
-
-#ifndef PRM_OS_SERVICES_H_
-#define PRM_OS_SERVICES_H_
-
-#include <Uefi.h>
-
-typedef struct _PRM_OS_SERVICES PRM_OS_SERVICES;
-
-//
-// PRM OS Services function signatures
-//
-typedef
-VOID
-(EFIAPI *PRM_OS_SERVICE_DEBUG_PRINT) (
-  IN  CONST CHAR8           *String
-  );
-
-#pragma pack(push, 1)
-
-//
-// PRM OS Services table
-//
-struct _PRM_OS_SERVICES {
-    // Structure information
-    UINT16                                MajorVersion;
-    UINT16                                MinorVersion;
-
-    // OS Services
-    PRM_OS_SERVICE_DEBUG_PRINT            DebugPrint;
-};
-
-#pragma pack(pop)
-
-#endif