Googletest export

Remove the #ifs for old, unsupported and buggy compilers:
* old versions of GCC & MSVC
* Symbian

PiperOrigin-RevId: 227116941

googlemock/src/gmock-spec-builders.cc

@@ -592,9 +592,6 @@ class MockObjectRegistry {
   // object alive.  Therefore we report any living object as test
   // failure, unless the user explicitly asked us to ignore it.
   ~MockObjectRegistry() {
-    // "using ::std::cout;" doesn't work with Symbian's STLport, where cout is
-    // a macro.
-
     if (!GMOCK_FLAG(catch_leaked_mocks))
       return;