Ryan Ernst 52a517e216
Docs: Add example of resetting index setting (#29048)
This commit adds an example using `null` to reset an index settings.

closes #22870
2018-03-19 20:04:58 -07:00
..
2016-09-01 17:08:18 -04:00
2016-09-02 18:22:30 -04:00