Bug 1852806 - Remove macros for older Windows SDK from toolkit/xre/dllservices/. r=gstoll

Depends on D188028

Differential Revision: https://phabricator.services.mozilla.com/D188029

toolkit/xre/dllservices/mozglue/Authenticode.cpp

@@ -4,16 +4,6 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
-// We need Windows 8 functions and structures to be able to verify SHA-256.
-#if defined(_WIN32_WINNT)
-#  undef _WIN32_WINNT
-#  define _WIN32_WINNT _WIN32_WINNT_WIN8
-#endif  // defined(_WIN32_WINNT)
-#if defined(NTDDI_VERSION)
-#  undef NTDDI_VERSION
-#  define NTDDI_VERSION NTDDI_WIN8
-#endif  // defined(NTDDI_VERSION)
-
 #include "Authenticode.h"
 
 #include "mozilla/ArrayUtils.h"

toolkit/xre/dllservices/tests/TestDllInterceptor.cpp

@@ -57,12 +57,6 @@ void __fastcall BaseThreadInitThunk(BOOL aIsInitialThread, void* aStartAddress,
 
 BOOL WINAPI ApiSetQueryApiSetPresence(PCUNICODE_STRING, PBOOLEAN);
 
-#if (_WIN32_WINNT < 0x0602)
-BOOL WINAPI
-SetProcessMitigationPolicy(PROCESS_MITIGATION_POLICY aMitigationPolicy,
-                           PVOID aBuffer, SIZE_T aBufferLen);
-#endif  // (_WIN32_WINNT < 0x0602)
-
 #define RtlGenRandom SystemFunction036
 extern "C" BOOLEAN NTAPI RtlGenRandom(PVOID aRandomBuffer,
                                       ULONG aRandomBufferLength);