message: Release code instead of making non-concrete
  Summary:
  Do not make the methods non-concrete. Just free their code.
  Follow-up to {D33379921 (https://github.com/facebook/redex/commit/2abba10fa8690de59ffb9e24e8afcdcf9f9044a8)}.
diff: @@ -780,7 +780,7 @@ void run_inliner(DexStoresVector& stores,
  // Can't really delete because of possible deob links. At least let's erase
  // any code.
  for (auto* m : deleted) {
  - m->make_non_concrete();
  + m->release_code();
  }
  }
  