remove free ebook notification

Author: Packt-ITService

README.md

@@ -1,6 +1,2 @@
 # Reactive-Programming-in-Java-Using-RxJava-3.x-ReactiveX
 Reactive Programming in Java Using RxJava 3.x: ReactiveX by Packt Publishing
-### Download a free PDF
-
- <i>If you have already purchased a print or Kindle version of this book, you can get a DRM-free PDF version at no cost.<br>Simply click on the link to claim your free PDF.</i>
-<p align="center"> <a href="https://packt.link/free-ebook/9781800565685">https://packt.link/free-ebook/9781800565685 </a> </p>