AchievementApprovedHash: Automatically generate hash using CMake

Source/UnitTests/Core/PatchAllowlistTest.cpp

@@ -131,9 +131,7 @@ TEST(PatchAllowlist, VerifyHashes)
   if (digest != ACHIEVEMENT_APPROVED_LIST_HASH)
   {
     ADD_FAILURE() << "Approved list hash does not match the one in AchievementApprovedHash.h."
-                  << std::endl
-                  << "Please update ACHIEVEMENT_APPROVED_LIST_HASH to the following:" << std::endl
-                  << Common::SHA1::DigestToSource(digest);
+                  << std::endl;
   }
   // Compare with old allowlist
   std::string old_allowlist;