Uncomment default network configs

truffle-config.js

@@ -1,10 +1,8 @@
 module.exports = {
-  // Uncommenting the defaults below 
-  // provides for an easier quick-start with Ganache.
+  // The defaults below provide an easier quick-start with Ganache.
   // You can also follow this format for other networks;
   // see <http://truffleframework.com/docs/advanced/configuration>
-  // for more details on how to specify configuration options!
-  /*
+  // for more details on how to specify configuration options! 
   networks: {
     development: {
       host: "127.0.0.1",
@@ -17,5 +15,4 @@ module.exports = {
       network_id: "*"
     }
   }
-  */
 };