timer: remove duplicated word in comment

PR-URL: #11323
Reviewed-By: James M Snell <[email protected]>
Reviewed-By: Brian White <[email protected]>
Reviewed-By: Sakthipriyan Vairamani <[email protected]>
Reviewed-By: Yuta Hiroto <[email protected]>
Reviewed-By: Timothy Gu <[email protected]>

Author: asafdav2

lib/timers.js

@@ -15,7 +15,7 @@ const TIMEOUT_MAX = 2147483647; // 2^31-1
 //
 // Timers are crucial to Node.js. Internally, any TCP I/O connection creates a
 // timer so that we can time out of connections. Additionally, many user
-// user libraries and applications also use timers. As such there may be a
+// libraries and applications also use timers. As such there may be a
 // significantly large amount of timeouts scheduled at any given time.
 // Therefore, it is very important that the timers implementation is performant
 // and efficient.