Cleanup of docs conf.py file (open-mmlab#3083)

docs/conf.py

@@ -36,6 +36,8 @@
 
 nb_execution_excludepatterns = ['jupyter_execute']
 
+# Sphinx creates a "tags" object from the arguments specified in the "-t" option of the "sphinx-build" cmd
+# This line allows AutoGluon's CI to execute a subset of our tutorial notebooks by setting the "nb_dirs_to_exec" variable
 nb_dirs_to_exec = [os.path.join('tutorials', tag) for tag in tags if os.path.isdir(os.path.join('tutorials', tag))]
 
 if len(nb_dirs_to_exec) > 0:
@@ -47,7 +49,7 @@
         nb_execution_excludepatterns.append(os.path.join(nb_dir, '*.ipynb'))
 
 templates_path = ['_templates']
-exclude_patterns = ['_build', '_templates', 'olds', 'README.md', 'ReleaseInstructions.md', 'jupyter_execute']
+exclude_patterns = ['_build', '_templates', 'README.md', 'ReleaseInstructions.md', 'jupyter_execute']
 master_doc = 'index'
 numfig = True
 numfig_secnum_depth = 2
@@ -62,7 +64,6 @@
     'light_logo': 'autogluon.png',
     'dark_logo': 'autogluon-w.png',
     'globaltoc_collapse': False,
-    # 'google_analytics_account': 'UA-XXXXX', # set to enable google analytics
 }
 
 html_sidebars = {