Update README.md

Author: mrfearless

README.md

@@ -13,7 +13,6 @@ It covers the main areas of developing an example control, SimpleButton, which t
 * This Gitbook can be found online here: [https://mrfearless.gitbooks.io/creating-controls-in-assembler](https://mrfearless.gitbooks.io/creating-controls-in-assembler)
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