refactor: refactor docs builder

Author: zdm

lib/package/docs.js

@@ -215,7 +215,6 @@ export default class Docs {
 
         data = JSON.parse( data );
 
-        // XXX
         fs.rmSync( this.locationPath + "/api", { "force": true, "recursive": true } );
         fs.rmSync( this.locationPath + "/rpc", { "force": true, "recursive": true } );