Disable "Manage User Status Locally" in Bitbucket Server

Since we're not likely to implement Manage Users Locally in the near future, this ticket now represents the suggestion to disable it in the meantime so as to avoid confusion.

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Original description:

When creating a User Directory in Stash using:

• Microsoft Active Directory
• LDAP

The following option is shown in the "Advanced" section:

• 'Manage User Status Locally' - If true, you can activate and deactivate users in Crowd independent of their status in the directory server.

However, we are currently unable to manage the user status using the Stash UI and that's due to the fact we haven't implemented read/write support for Crowd directories.

If customers create their UD with 'Manage User Status Locally' option checked, they should expect their instance not to keep up-to-date with changes to the users status on their LDAP servers linked to Stash.

We also need to update our Stash LDAP documentation to include the explanation for that option under the "Advanced" section: https://confluence.atlassian.com/display/STASH/Connecting+Stash+to+an+existing+LDAP+directory

We currently have it documented in Crowd:
https://confluence.atlassian.com/display/CROWD/Deleting+or+Deactivating+a+User

In other words, if a user account is disabled in Active Directory, it will be deactivated in Crowd on the next synchronisation. Likewise, if a user is deactivated through Crowd, the user account will be disabled in Active Directory. If you want to prevent this synchronisation, enable the 'Manage User Status Locally' option in the directory configuration.