clean code

lib/crowi/index.js

@@ -378,7 +378,7 @@ Crowi.prototype.buildServer = function() {
   }
 
   if (env == 'development') {
-    //swig.setDefaults({ cache: false });
+    //swig.setDefaults({ cache: false });   // moved to dev.js -- 2017.07.09 Yuki Takei
     const morgan = require('morgan');
     app.use(morgan('dev'));
   }