Update README.md

Author: learning-zone

README.md

@@ -1578,7 +1578,6 @@ NodeJS has a built-in module called Cluster Module to take the advantage of a mu
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 #### Q. How to improve Node.js performance?
-#### Q. How to manage Node.js clusters?
 #### Q. How does the cluster load balance work in node.js?
 #### Q. What is daemon process? how to implement it in node.js? 
 ## Q. How to synchronize data between multiple clients on node.js server?