update mkdocs -> mkdocstrings config

Author: theskumar

Diff for: mkdocs.yml

@@ -13,13 +13,7 @@ markdown_extensions:
   - mdx_truly_sane_lists
 
 plugins:
-  - mkdocstrings:
-      handlers:
-        python:
-          rendering:
-            show_root_heading: yes
-            show_submodules: no
-            separate_signature: yes
+  - mkdocstrings
   - search
 nav:
   - Home: index.md