url: remove an eslint-disable comment

Remove an eslint-disable comment by using a strict comparison
instead of a Boolean cast.
PR-URL: #24995
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Сковорода Никита Андреевич <chalkerx@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Anto Aravinth <anto.aravinth.cse@gmail.com>

Author: cjihrig

lib/internal/url.js

@@ -771,8 +771,7 @@ function parseParams(qs) {
 if(code===CHAR_PERCENT){
 encodeCheck=1;
 }elseif(encodeCheck>0){
-// eslint-disable-next-line no-extra-boolean-cast
-if(!!isHexTable[code]){
+if(isHexTable[code]===1){
 if(++encodeCheck===3){
 querystring=require('querystring');
 encoded=true;