Remove redundant contact info from README

Replaced by shield

README.md

@@ -142,5 +142,3 @@ We welcome pull requests for bug fixes, new features, and improvements to FLEX.
 - Swift runtime introspection (swift classes, swift objects on the heap, etc.)
 - Improved file type detection and display in the file browser
 - Add new NSUserDefault key/value pairs on the fly
-
-Have a question or suggestion for FLEX? Contact [@ryanolsonk](https://twitter.com/ryanolsonk) on twitter.