Merge #14855: test: Correct ineffectual WithOrVersion from transactions_tests

75778a0724 test: Correct ineffectual WithOrVersion from transactions_tests (Ben Woosley)

Pull request description:

  `WithOrVersion` uses `|` to combine the versions, and `|` with 0 is a no-op.

  NicolasDorier / sipa do you recall why the version is being overridden here?

  Introduced in ab48c5e721
  Last updated 81e3228fcb

Tree-SHA512: 2aea925497bab2da973f17752410a6759d67181a57c3b12a685d184fbfcca2984c45b702ab0bd641d75e086696a0424f1bf77c5578ca765d6882dc03b42d5f9a

src/streams.h

@@ -64,12 +64,6 @@ public:
     size_t size() const { return stream->size(); }
 };
 
-template<typename S>
-OverrideStream<S> WithOrVersion(S* s, int nVersionFlag)
-{
-    return OverrideStream<S>(s, s->GetType(), s->GetVersion() | nVersionFlag);
-}
-
 /* Minimal stream for overwriting and/or appending to an existing byte vector
  *
  * The referenced vector will grow as necessary