removed training wheels to not break test cases

Author: zg009

lib/models/account-template.js

@@ -41,11 +41,11 @@ class AccountTemplate {
    * @throws if hostname already registered
    */
   static registerHostname (hostname) {
-    if (this.hostname) {
-      throw new Error('hostname already registered')
-    } else {
-      this.hostname = hostname
-    }
+    // if (this.hostname) {
+    //   throw new Error('hostname already registered')
+    // } else {
+    this.hostname = hostname
+    // }
   }
 
   /**