Revert "Enable autorefs plugin option to resolve closest references" (#115)

We needed this to workaround an issue that was fixed upstream in
autorefs v1.3.1.

See
mkdocstrings/autorefs#52 (comment).

This reverts commit 1aab7b5.

Author: llucax

mkdocs.yml

@@ -87,8 +87,6 @@ markdown_extensions:
       permalink: "¤"
 
 plugins:
-  - autorefs:
-      resolve_closest: true
   - gen-files:
       scripts:
         - docs/_scripts/mkdocstrings_autoapi.py