use default rtd theme for docs

Author: felliott

docs/conf.py

@@ -96,7 +96,7 @@
 
 # The theme to use for HTML and HTML Help pages.  See the documentation for
 # a list of builtin themes.
-html_theme = 'kr'
+#html_theme = 'kr'
 
 # Theme options are theme-specific and customize the look and feel of a theme
 # further.  For a list of options available for each theme, see the