/*
Remove an item from local storage
- key: key to retrieve data
- storageType: *optional* localStorage or sessionStorage
function (key, storageType) {

            var isStorageType = typeof storageType === 'undefined' ? false : true;

            if (isStorageType) {
                webStorage = $window[storageType];
                webStorage.removeItem(key);
            } else {
                webStorage = $window.sessionStorage;
                webStorage.removeItem(key);
                webStorage = $window.localStorage;
                webStorage.removeItem(key);
            }

            return true;
        }