Removed unnecessary methods from bookModel.js
Removed unnecessary methods from bookModel.js

TelerikFrenchConnection/JS-Applications-Teamwork,TelerikFrenchConnection/JS-Applications-Teamwork,TelerikFrenchConnection/JS-Applications-Teamwork,TelerikFrenchConnection/JS-Applications-Teamwork,TelerikFrenchConnection/JS-Applications-Teamwork