Use default priority for text input on change

Summary:
changelog: [internal]

This was shipped by accident, synchronous access isn't supported yet.

Reviewed By: JoshuaGross

Differential Revision: D28997109

fbshipit-source-id: a668f5beba527024c49e48baeddb10eedbb8f186

ReactCommon/react/renderer/components/textinput/iostextinput/TextInputEventEmitter.cpp

@@ -72,8 +72,7 @@ void TextInputEventEmitter::onBlur(
 
 void TextInputEventEmitter::onChange(
     TextInputMetrics const &textInputMetrics) const {
-  dispatchTextInputEvent(
-      "change", textInputMetrics, EventPriority::SynchronousUnbatched);
+  dispatchTextInputEvent("change", textInputMetrics);
 }
 
 void TextInputEventEmitter::onChangeText(