fix mkdocs

docs/documentation/__main__.md

@@ -1,2 +0,0 @@
-# Main
-::: rendercv.__main__

mkdocs.yml

@@ -44,8 +44,7 @@ nav:
   - Quick Start: index.md
   - Contact: contact.md
   - Code Documentation:
-      - Code Reference: documentation/index.md
-      - __main__.py: documentation/__main__.md
+      - Code Documentation: documentation/index.md
       - data_model.py: documentation/data_model.md
       - rendering.py: documentation/rendering.md