docs: do not reference a non-existing directory
@@ -92,7 +92,7 @@ else:
# Add any paths that contain custom static files (such as style sheets) here,
# relative to this directory. They are copied after the builtin static files,
# so a file named "default.css" will overwrite the builtin "default.css".
-html_static_path = ['_static']
+html_static_path = []
# Custom sidebar templates, must be a dictionary that maps document names
# to template names.
