remove $5 campaign

Author: Packt-ITService

README.md

@@ -1,8 +1,3 @@
-## $5 Tech Unlocked 2021!
-[Buy and download this Book for only $5 on PacktPub.com](https://www.packtpub.com/product/flutter-projects/9781838647773)
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-*If you have read this book, please leave a review on [Amazon.com](https://www.amazon.com/gp/product/1838647775).     Potential readers can then use your unbiased opinion to help them make purchase decisions. Thank you. The $5 campaign         runs from __December 15th 2020__ to __January 13th 2021.__*
-
 # Flutter Projects
 
 <a href="https://www.packtpub.com/in/mobile/flutter-projects?utm_source=github&utm_medium=repository&utm_campaign=9781838647773"><img src="https://static.packt-cdn.com/products/9781838647773/cover/smaller" alt="Flutter Projects" height="256px" align="right"></a>