Deleted roadmap.sh page (#2928)

Understanding Javascript Promises this page won't be available anymore

content/roadmaps/107-nodejs/content/104-nodejs-async-programming/102-promises.md

@@ -11,7 +11,6 @@ Using resolve() and reject(), we can communicate back to the caller what the res
 
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-<BadgeLink colorScheme='yellow' badgeText='Read' href='https://nodejs.dev/en/learn/understanding-javascript-promises/'>Understanding Javascript Promises</BadgeLink>
 <BadgeLink colorScheme='yellow' badgeText='Read' href='https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise'>Promise Methods</BadgeLink>
 <BadgeLink colorScheme='blue' badgeText='Read' href='https://www.promisejs.org/'>Official Website</BadgeLink>
 <BadgeLink colorScheme='green' badgeText='Read' href='https://www.freecodecamp.org/news/javascript-promises-for-beginners/'>Official Website</BadgeLink>