Update PULL_REQUEST_TEMPLATE

Author: zoontek

.github/PULL_REQUEST_TEMPLATE.md

@@ -17,7 +17,7 @@ Explain the **motivation** for making this change: here are some points to help
 
 ### What's required for testing (prerequisites)?
 
-### What are the steps to reproduce (after prerequisites)?
+### What are the steps to test it (after prerequisites)?
 
 ## Compatibility
 
@@ -32,6 +32,4 @@ Explain the **motivation** for making this change: here are some points to help
 
 - [ ] I have tested this on a device and a simulator
 - [ ] I added the documentation in `README.md`
-- [ ] I mentioned this change in `CHANGELOG.md`
-- [ ] I updated the typed files (TS and Flow)
-- [ ] I added a sample use of the API in the example project (`example/App.js`)
+- [ ] I added a sample use of the API in the example project (`example/App.tsx`)