fix double segment

www/reference/gatsby-config.js

@@ -80,14 +80,6 @@ module.exports = {
         output: '/api/sitemap'
       }
     },
-    {
-      resolve: `gatsby-plugin-segment-js`,
-      options: {
-        prodKey: process.env.SEGMENT_API_KEY,
-        devKey: process.env.SEGMENT_API_KEY_DEV,
-        trackPage: true,
-      }
-    },
     // `gatsby-plugin-preact`,
     // {
     //   resolve: `gatsby-source-openapi-aggregate`,