Remove unnecessary warning and add other minor improvements
What does this MR do?
Fixes issues in Geo docs where one section of the documentation describes a feature as mandatory and another section says that the feature is not ready for production use.
Made other minor fixes while here.
Related issues
Problem found during review of: https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/7878.
Author's checklist
-
Apply the correct labels and milestone -
Port the MR to EE (or backport from CE): always recommended, required when the ee-compat-check
job fails
Review checklist
-
Your team's review (required) -
PM's review (recommended, but not a blocker) -
Technical writer's review (required) -
Merge the EE-MR first, CE-MR afterwards