Log a message withunique `pcmk__warn_once()` if amessage for each of these in the CIB uses:
* a `master` element,
* a `clone` element's master-max or master-node-max meta-attributes, or
* a `bundle` element's masters meta-attribute.
* `Master` as a role name
* `Slave` as a role name
Also deprecate `crm_map_element_name()` in the public API.