remove promise from readme

Author: tomholub

README.md

@@ -33,7 +33,6 @@ See [Appium README](./appium/README.md)
 
 - UI - [Texture documentation](https://texturegroup.org/docs/getting-started.html)
 - Storage - [Realm](https://github.com/realm)
-- Async Operations - [PromiseKit](https://github.com/mxcl/PromiseKit)
 - IMAP/SMTP provider - [MailCore](https://github.com/MailCore/mailcore2)
 
 ## Admin - generating .ipa for penetration tester