Revert D13105396

Summary: D13105396 broke a few things, so I'm reverting it. See: https://fburl.com/toehyir8

Reviewed By: sahrens, mmmulani

Differential Revision: D13220491

fbshipit-source-id: 35594099eea7f40d2fb948ae2010db4babb7093d

Libraries/Components/TextInput/TextInput.js

@@ -1267,6 +1267,9 @@ const TextInput = createReactClass({
   },
 
   _onBlur: function(event: BlurEvent) {
+    // This is a hack to fix https://fburl.com/toehyir8
+    // @todo(rsnara) Figure out why this is necessary.
+    this.blur();
     if (this.props.onBlur) {
       this.props.onBlur(event);
     }