fcall to just Q()

src/services/cryptoService.js

@@ -402,9 +402,7 @@ function initCryptoService(constantsService) {
 
     CryptoService.prototype.encrypt = function (plainValue, key, plainValueEncoding) {
         if (plainValue === null || plainValue === undefined) {
-            return Q.fcall(function () {
-                return null;
-            });
+            return Q(null);
         }
 
         plainValueEncoding = plainValueEncoding || 'utf8';

src/services/loginService.js

@@ -398,7 +398,7 @@ function initLoginService() {
 
     LoginService.prototype.saveNeverDomain = function (domain) {
         if (!domain) {
-            return Q.fcall(function () { });
+            return Q();
         }
 
         var key = 'neverDomains';

src/services/totpService.js

@@ -90,9 +90,7 @@ function initTotpService() {
         var keyBytes = b32tobytes(keyb32);
 
         if (!keyBytes.length || !timeBytes.length) {
-            return Q.fcall(function () {
-                return null;
-            });
+            return Q(null);
         }
 
         return sign(keyBytes, timeBytes).then(function (hashHex) {

src/services/userService.js

@@ -75,9 +75,7 @@ function initUserService() {
 
     UserService.prototype.getUserIdPromise = function () {
         if (_userId) {
-            return Q.fcall(function () {
-                return _userId;
-            });
+            return Q(_userId);
         }
 
         return utilsService.getObjFromStorage(userIdKey).then(function (obj) {