message: Remove unused feature filter.
diff: @@ -162,12 +162,6 @@ fn compute_deps<'a, 'cfg, 'tmp>(
  return false;
  }
  - // If the dependency is optional, then we're only activating it
  - // if the corresponding feature was activated
  - if dep.is_optional() && !bcx.resolve.features(id).contains(&*dep.name_in_toml()) {
  - return false;
  - }
  -
  // If we've gotten past all that, then this dependency is
  // actually used!
  true
  