Remove unused method

lib/models/user.js

@@ -69,10 +69,6 @@ module.exports = function(crowi) {
     return this.password == generatePassword(password);
   };
 
-  userSchema.methods.setPassword = function(password) {
-    return this.password == generatePassword(password);
-  };
-
   userSchema.methods.setPassword = function(password) {
     this.password = generatePassword(password);
     return this;