Remove Bias1D/2D/ND classes in favor of an nd metadata attribute
#166
| Job | Run time |
|---|---|
| 22m 54s | |
| 23m 19s | |
| 24m 6s | |
| 15m 57s | |
| 14m 12s | |
| 15m 42s | |
| 32m 42s | |
| 35m 8s | |
| 37m 30s | |
| 2s | |
| 3h 41m 32s |