Jiaming Yuan c0fbeff0ab
Restrict access to cfg_ in gbm. (#4801)
* Restrict access to `cfg_` in gbm.

* Verify having correct updaters.

* Remove `grow_global_histmaker`

This updater is the same as `grow_histmaker`.  The former is not in our
document so we just remove it.
2019-09-02 00:43:19 -04:00
..
2019-08-19 16:51:40 +12:00