Fixed typo

server/methods/deleteUser.coffee

@@ -3,7 +3,8 @@ Meteor.methods
 		if not Meteor.userId()
 			throw new Meteor.Error('invalid-user', "[methods] deleteUser -> Invalid user")
 
-		user = Meteor.users.findOne userId()
+		user = Meteor.users.findOne userId
+		
 		unless user?.admin is true
 			throw new Meteor.Error 'not-authorized', '[methods] deleteUser -> Not authorized'