Update docs to specify that mtries=-2 gives all features

[exalate-issue-sync]

mtries
mtries=-2 allows using all features for DRF and IF. Docs don't give information and still specify mtries should be >= -1. Please update to three pages below that mtries can be >= -2 and -2 uses all features.

mtries definition: [http://docs.h2o.ai/h2o/latest-stable/h2o-docs/data-science/algo-params/mtries.html?highlight=mtries|http://docs.h2o.ai/h2o/latest-stable/h2o-docs/data-science/algo-params/mtries.html?highlight=mtries]
RF docs: [http://docs.h2o.ai/h2o/latest-stable/h2o-docs/data-science/drf.html?highlight=mtries|http://docs.h2o.ai/h2o/latest-stable/h2o-docs/data-science/drf.html?highlight=mtries]
IF docs: [http://docs.h2o.ai/h2o/latest-stable/h2o-docs/data-science/if.html?highlight=mtries|http://docs.h2o.ai/h2o/latest-stable/h2o-docs/data-science/if.html?highlight=mtries]

[h2o-ops]

JIRA Issue Migration Info

Jira Issue: PUBDEV-7286
Assignee: hannah.tillman
Reporter: Neema Mashayekhi
State: Resolved
Fix Version: 3.28.0.4
Attachments: N/A
Development PRs: Available

Linked PRs from JIRA

#4321