Remove sphinx.ext.githubpages from conf.py

Causing build errors on readthedocs.org

Author: cmlccie

docs/conf.py

@@ -36,9 +36,10 @@
     'sphinx.ext.todo',
     'sphinx.ext.coverage',
     'sphinx.ext.viewcode',
-    'sphinx.ext.githubpages',
     'sphinx.ext.napoleon'
 ]
+# Removed:     'sphinx.ext.githubpages',
+# Causing build errors on readthedocs.org
 
 # Add any paths that contain templates here, relative to this directory.
 templates_path = ['_templates']