turn mergeLinkHeaders off since the preload headers are not used anymore by gatsby

Author: pettinarip

gatsby-config.ts

@@ -245,13 +245,15 @@ const config: GatsbyConfig = {
     {
       resolve: `gatsby-plugin-gatsby-cloud`,
       options: {
+        mergeLinkHeaders: false,
         generateMatchPathRewrites: false,
       },
     },
     // Creates `_redirects` & `_headers` build files for Netlify
     {
       resolve: `gatsby-plugin-netlify`,
       options: {
+        mergeLinkHeaders: false,
         generateMatchPathRewrites: false,
       },
     },