Updated README.md

Removed broken link according to markdown link checker error

README.md

@@ -748,7 +748,6 @@ All the translations for this repo will be listed below:
 - 📜 [Higher Order Functions: Using Filter, Map and Reduce for More Maintainable Code — Guido Schmitz](https://medium.freecodecamp.org/higher-order-functions-in-javascript-d9101f9cf528)
 - 📜 [First-class and Higher Order Functions: Effective Functional JavaScript — Hugo Di Francesco](https://hackernoon.com/effective-functional-javascript-first-class-and-higher-order-functions-713fde8df50a)
 - 📜 [Higher Order Functions in JavaScript — John Hannah](https://www.lullabot.com/articles/higher-order-functions-in-javascript)
-- 📜 [Higher-order Functions — Richard Bovell](http://javascriptissexy.com/tag/higher-order-functions/)
 - 📜 [Fun With Higher Order Functions In JavaScript — Derick](https://derickbailey.com/2015/10/21/fun-with-higher-order-functions-in-javascript/)
 - 📜 [Just a reminder on how to use high order functions — Pedro Filho](https://github.com/pedroapfilho/high-order-functions)
 - 📜 [Understanding Higher-Order Functions in JavaScript — Sukhjinder Arora](https://blog.bitsrc.io/understanding-higher-order-functions-in-javascript-75461803bad)