fix(npm): remove temporary cache-blocking code for scoped

npmjs has fixed/lowered the cache expiry time now

lib/datasource/npm.js

@@ -165,11 +165,8 @@ async function getDependency(name, retries = 5) {
 
   // Retrieve from API if not cached
   try {
-    // TODO: cache scoped packages once npmjs cache time is fixed for scoped packages
-    // Ref: https://npm.community/t/scoped-packages-have-latest-version-disappear-temporarily-soon-after-publish/633/7
-    const useCache = !(process.env.RENOVATE_SKIP_CACHE || name.startsWith('@'));
     const raw = await got(pkgUrl, {
-      cache: useCache ? map : undefined,
+      cache: process.env.RENOVATE_SKIP_CACHE ? undefined : map,
       json: true,
       retries: 5,
       headers,