Tokenizer: moved test-only tokenize() to SimpleTokenizer / several cleanups
#14785
| Job | Run time |
|---|---|
| 8m 29s | |
| 8m 28s | |
| 4m 1s | |
| 5m 47s | |
| 3m 29s | |
| 5m 20s | |
| 2m 24s | |
| 1m 47s | |
| 39m 45s |