chore: remove defaultTo utils (#3205)

Author: anshumanv

lib/utils/defaultTo.js

@@ -3,7 +3,6 @@
 const pRetry = require('p-retry');
 const portfinder = require('portfinder');
 const defaultPort = require('./defaultPort');
-const defaultTo = require('./defaultTo');
 const tryParseInt = require('./tryParseInt');
 
 function runPortFinder() {
@@ -26,12 +25,8 @@ function findPort(port) {
 
   // Try to find unused port and listen on it for 3 times,
   // if port is not specified in options.
-  // Because NaN == null is false, defaultTo fails if parseInt returns NaN
   // so the tryParseInt function is introduced to handle NaN
-  const defaultPortRetry = defaultTo(
-    tryParseInt(process.env.DEFAULT_PORT_RETRY),
-    3
-  );
+  const defaultPortRetry = tryParseInt(process.env.DEFAULT_PORT_RETRY) || 3;
 
   return pRetry(runPortFinder, { retries: defaultPortRetry });
 }