_config.yml: Don't explicitly specify markdown engine.

dmitshur · dmitshur · commit 49d09b21f283 · 2016-02-22T03:38:42.000-08:00
Fixes #49.
diff --git a/_config.yml b/_config.yml
@@ -13,5 +13,4 @@ colors:
   secondary: "#28262C"
   tertiary: "#257394"
 
-markdown:    redcarpet
 highlighter: rouge
