Disable lambda print to console

When running `npx sls offline` this is how my terminal looks like. When debugging my custom console logs are drowned by these logging lines.

```
(λ: sqsEvent) RequestId: 1d490a3a-f474-4d78-a704-65aabad2b73e Duration: 7.41 ms Billed Duration: 8 ms
(λ: sqsEvent) RequestId: d4363ece-c2ef-4b34-98af-3963b4cd21e2 Duration: 26.11 ms Billed Duration: 27 ms
(λ: sqsEvent) RequestId: 0609e9fc-fd93-40b2-8715-5f18f96450b4 Duration: 15.14 ms Billed Duration: 16 ms
Some useful logging scenario
(λ: sqsEvent) RequestId: b56635ba-737c-4a9b-a4d6-719fa610f9ca Duration: 14.57 ms Billed Duration: 15 ms
(λ: sqsEvent) RequestId: d5b8c69c-ac53-4ef7-a256-17a307d6c305 Duration: 21.43 ms Billed Duration: 22 ms
(λ: sqsEvent) RequestId: 53a5538c-eb97-4f97-91d6-688a5949154b Duration: 16.47 ms Billed Duration: 17 ms
(λ: sqsEvent) RequestId: 2a6c266a-e091-4c24-8dea-f58c472060ca Duration: 16.22 ms Billed Duration: 17 ms
```

Is it possible to turn of the `(λ: .. RequestId: .. Duration: ...` logging?