fix(transform): Run browserify markdown correctly

Author: trevorgerhardt

lib/transform.js

@@ -44,9 +44,7 @@ module.exports = function transform ({
       outfile
     }),
     htmlTransform,
-    markdown({
-      html: true
-    }),
+    markdown,
     yamlTransform,
     babelify.configure(babelifyConfig),
     envify(defaultEnvify) // Envify needs to happen last...