Cleanup/Remove Windows XP/Vista version checks from Windows sandbox code

sandbox/win/src/registry_dispatcher.cc

Index: sandbox/win/src/registry_dispatcher.cc
diff --git a/sandbox/win/src/registry_dispatcher.cc b/sandbox/win/src/registry_dispatcher.cc
index fef727dac7d2fc381edc4a955e84f515d3b3f6f3..b8d94c8cc366e6d496cb7e188266fff1eaa69fe4 100644
--- a/sandbox/win/src/registry_dispatcher.cc
+++ b/sandbox/win/src/registry_dispatcher.cc
@@ -68,11 +68,7 @@ bool RegistryDispatcher::SetupService(InterceptionManager* manager,
 
   if (IPC_NTOPENKEY_TAG == service) {
     bool result = INTERCEPT_NT(manager, NtOpenKey, OPEN_KEY_ID, 16);
-    if (base::win::GetVersion() >= base::win::VERSION_WIN7 ||
-        (base::win::GetVersion() == base::win::VERSION_VISTA &&
-         base::win::OSInfo::GetInstance()->version_type() ==
-             base::win::SUITE_SERVER))
-      result &= INTERCEPT_NT(manager, NtOpenKeyEx, OPEN_KEY_EX_ID, 20);
+    result &= INTERCEPT_NT(manager, NtOpenKeyEx, OPEN_KEY_EX_ID, 20);
     return result;
   }