Remove Serializable and Deserializable implementations from slices and vecs
#919
| Job | Run time |
|---|---|
| 15s | |
| 41s | |
| 23s | |
| 38s | |
| 24s | |
| 23s | |
| 1m 12s | |
| 1m 15s | |
| 5m 11s |