remove primary sidebar from tutorial

docs/conf.py

@@ -204,7 +204,9 @@ def setup(app: sphinx.application.Sphinx) -> None:
 # html_use_smartypants = True
 
 # Custom sidebar templates, maps document names to template names.
-# html_sidebars = {}
+html_sidebars = {
+    "tutorial": []
+}
 
 # Additional templates that should be rendered to pages, maps page names to
 # template names.