no more .md for real docs, so remove recommonmark dep

docs/conf.py

@@ -47,14 +47,10 @@ templates_path = ['_templates']
 # The suffix(es) of source filenames.
 # You can specify multiple suffix as a list of string:
 #
-
-from recommonmark.parser import CommonMarkParser
-
 source_parsers = {
-    '.md': CommonMarkParser,
 }
 
-source_suffix = ['.rst', '.md']
+source_suffix = ['.rst']
 #source_suffix = '.rst'
 
 # The master toctree document.