[FEATURE] Remove tenancy tab if turned off via dashboards config

[derek-ho]

Is your feature request related to a problem?
With workspaces coming and no active development being done for tenancy, if tenancy is turned off via opensearch_dashboards.yml, I think we can remove it from the tabs in the security dashboards plugin. Today, we still show a tab but with an empty message.

What solution would you like?
Remove the tenant tab altogether if it is turned off via yaml (we can still keep the tab if it is turned off within the plugin).
What alternatives have you considered?
None
Do you have any additional context?
None