* Remove date regexp
Hand-roll the date matching logic to avoid trying to match a regexp on
every integer.
```
benchmark old ns/op new ns/op delta
BenchmarkUnmarshalToml-8 293449 272134 -7.26%
benchmark old allocs new allocs delta
BenchmarkUnmarshalToml-8 2746 2650 -3.50%
benchmark old bytes new bytes delta
BenchmarkUnmarshalToml-8 133604 127548 -4.53%
```
* Remove fuzzit
The company has been acquired by GitLab and shutting down.
Thomas Pelletier