Revert "Updated HTML docs."

This reverts commit 06bc3c8bcd.

docs/source/api/evennia.contrib.md

@@ -0,0 +1,22 @@
+```{eval-rst}
+evennia.contrib 
+=======================
+
+.. automodule:: evennia.contrib
+   :members:
+   :undoc-members:
+   :show-inheritance:
+
+
+.. toctree::
+   :maxdepth: 6
+
+   evennia.contrib.base_systems
+   evennia.contrib.full_systems
+   evennia.contrib.game_systems
+   evennia.contrib.grid
+   evennia.contrib.rpg
+   evennia.contrib.tutorials
+   evennia.contrib.utils
+
+```