remove some unused analytics config

lib/config.js

@@ -15,13 +15,11 @@ module.exports = {
     dark: "#252525",
   },
   githubRepo: "jakejarvis/jarv.is",
-  facebookAppId: "3357248167622283",
   verifyGoogle: "qQhmLTwjNWYgQ7W42nSTq63xIrTch13X_11mmxBE9zk",
   verifyBing: "164551986DA47F7F6FC0D21A93FFFCA6",
   verifyFacebook: "q45jxbgyp22ef55xror1pvbehisg9m",
   monetization: "$ilp.uphold.com/BJp6d2FrEB69",
   fathomSiteId: "WBGNQUKW",
-  fathomCustomDomain: "https://blue-chilly.jarv.is",
   webmentionId: "jarv.is",
   giscusConfig: {
     // https://github.com/giscus/giscus-component/tree/main/packages/react#readme

pages/_app.tsx

@@ -41,8 +41,6 @@ const App = ({ Component, pageProps }: AppProps) => {
     // https://usefathom.com/docs/integrations/next
     // https://vercel.com/guides/deploying-nextjs-using-fathom-analytics-with-vercel
     Fathom.load(config.fathomSiteId, {
-      // optional custom domain: https://usefathom.com/docs/script/custom-domains
-      url: `${config.fathomCustomDomain || "https://cdn.usefathom.com"}/script.js`,
       // don't track branch/deploy previews and localhost
       includedDomains: [config.siteDomain],
     });
@@ -86,9 +84,6 @@ const App = ({ Component, pageProps }: AppProps) => {
           site: `@${config.authorSocial.twitter}`,
           cardType: "summary",
         }}
-        facebook={{
-          appId: config.facebookAppId,
-        }}
         additionalLinkTags={[
           {
             rel: "icon",
@@ -120,14 +115,6 @@ const App = ({ Component, pageProps }: AppProps) => {
             type: "application/atom+xml",
             title: `${config.siteName} (Atom)`,
           },
-          {
-            rel: "preconnect",
-            href: config.fathomCustomDomain,
-          },
-          {
-            rel: "dns-prefetch",
-            href: config.fathomCustomDomain,
-          },
           {
             rel: "webmention",
             href: `https://webmention.io/${config.webmentionId}/webmention`,

pages/privacy.tsx

@@ -121,17 +121,6 @@ const Privacy = () => (
         allowScripts
       />
 
-      <p>
-        <a href="https://vercel.com/analytics" target="_blank" rel="noopener noreferrer">
-          <strong>Vercel Analytics</strong>
-        </a>{" "}
-        keeps track of{" "}
-        <a href="https://vercel.com/docs/concepts/analytics/web-vitals" target="_blank" rel="noopener noreferrer">
-          "web vitals"
-        </a>{" "}
-        (input delays, layout shifts, etc.), also in an anonymous and aggregate fashion.
-      </p>
-
       <H2 id="third-party">Third-Party Content</H2>
 
       <p>