message: view.zip: remove duplicate test case
  Fixes
diff: @@ -109,17 +109,6 @@ int main()
  ::check_equal(expected, {"ax","by","cz"});
  }
  - // zip_with
  - {
  - std::vector<std::string> v0{"a","b","c"};
  - std::vector<std::string> v1{"x","y","z"};
  -
  - auto rng = view::zip_with(std::plus<std::string>{}, v0, v1);
  - std::vector<std::string> expected;
  - copy(rng, ranges::back_inserter(expected));
  - ::check_equal(expected, {"ax","by","cz"});
  - }
  -
  // Move from a zip view
  {
  auto v0 = to_<std::vector<MoveOnlyString>>({"a","b","c"});
  