JS-977 Use public npm urls in package-lock.json (#6005)

Author: vdiez

.github/renovate.json

@@ -1,8 +1,6 @@
 {
   "$schema": "https://docs.renovatebot.com/renovate-schema.json",
   "extends": ["github>SonarSource/renovate-config:languages-team"],
-  "npmrc": "registry=https://repox.jfrog.io/artifactory/api/npm/npm/",
-  "npmrcMerge": true,
   "configMigration": true,
   "enabledManagers": ["github-actions", "maven", "npm"],
   "dockerfile": {
@@ -29,10 +27,6 @@
       "matchUpdateTypes": ["pin", "rollback"],
       "enabled": false
     },
-    {
-      "matchDatasources": ["npm"],
-      "registryUrls": ["https://repox.jfrog.io/artifactory/api/npm/npm"]
-    },
     {
       "matchUpdateTypes": ["minor", "patch"],
       "matchCurrentVersion": "!/^0/",