misc: disable resourceHints for dev if not specified

lib/common/nuxt.config.js

@@ -150,7 +150,7 @@ export default {
     bundleRenderer: {
       shouldPrefetch: () => false
     },
-    resourceHints: true,
+    resourceHints: undefined,
     ssr: undefined,
     http2: {
       push: false,

lib/common/options.mjs

@@ -141,6 +141,11 @@ Options.from = function (_options) {
     options.debug = options.dev
   }
 
+  // Resource hints
+  if (options.render.resourceHints === undefined) {
+    options.render.resourceHints = !options.dev
+  }
+
   // Normalize ignore
   options.ignore = options.ignore ? [].concat(options.ignore) : []