remove $10 campaign

README.md

@@ -1,7 +1,3 @@
-## [Get this title for $10 on Packt's Spring Sale](https://www.packt.com/B16431?utm_source=github&utm_medium=packt-github-repo&utm_campaign=spring_10_dollar_2022)
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-For a limited period, all eBooks and Videos are only $10. All the practical content you need \- by developers, for developers
-
 # Power Query Cookbook
 
 <a href="https://www.packtpub.com/product/power-query-cookbook/9781800569485"><img src="https://static.packt-cdn.com/products/9781800569485/cover/smaller" alt="Power Query Cookbook" height="256px" align="right"></a>