docs: removed broken custom-config and artifact-ref pytest-mh links

docs/config.rst

@@ -38,7 +38,6 @@ domain has ``id`` attribute and defines the list of available hosts.
 * ``id``: domain identifier which is used in the path inside ``mh`` fixture, see
   :ref:`mh-fixture`
 * ``hosts``: list of available hosts and their roles
-
   * ``hostname``: DNS host name, it may not necessarily be resolvable from the
     machine that runs pytest
   * ``role``: host role
@@ -47,10 +46,8 @@ domain has ``id`` attribute and defines the list of available hosts.
   * ``conn.port``: ssh port, defaults to 22
   * ``conn.username``: ssh username, defaults to ``root``
   * ``conn.password``: ssh password for the user, defaults to ``Secret123``
-  * ``config``: additional configuration, place for custom options, see
-    :ref:`custom-config`
-  * ``artifacts``: list of artifacts that are automatically downloaded, see
-    :ref:`gathering-artifacts`
+  * ``config``: additional host configuration
+  * ``artifacts``: list of artifacts that are automatically downloaded
 
 .. _available-roles: