feat: rewrite queue-msg normalization pass (#3026)

closes #3003

results:

```
normalize               time:   [15.757 µs 15.946 µs 16.192 µs] // old
normalize2              time:   [5.5628 µs 5.5822 µs 5.6047 µs] // new
```

also removed some unused `Op` variants.