chore: remove all Plausible analytics references (#1583)

Plausible integration is no longer used. This removes the scripts,
components, loaders, sections, and stale comments referencing it.

Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>

Author: guitavano

analytics/components/DecoAnalytics.tsx

@@ -2,17 +2,11 @@
 // This file SHOULD be checked into source version control.
 // This file is automatically updated during development when running `dev.ts`.
 
-import * as $$$0 from "./loaders/DecoAnalyticsScript.ts";
-import * as $$$1 from "./loaders/OneDollarScript.ts";
-import * as $$$$$$0 from "./sections/Analytics/DecoAnalytics.tsx";
+import * as $$$0 from "./loaders/OneDollarScript.ts";
 
 const manifest = {
   "loaders": {
-    "analytics/loaders/DecoAnalyticsScript.ts": $$$0,
-    "analytics/loaders/OneDollarScript.ts": $$$1,
-  },
-  "sections": {
-    "analytics/sections/Analytics/DecoAnalytics.tsx": $$$$$$0,
+    "analytics/loaders/OneDollarScript.ts": $$$0,
   },
   "name": "analytics",
   "baseUrl": import.meta.url,

analytics/loaders/DecoAnalyticsScript.ts

@@ -43,7 +43,7 @@ const snippet = () => {
   }
   // 2000 bytes limit
   const truncate = (str: string) => `${str}`.slice(0, 990);
-  // setup plausible script and unsubscribe
+  // setup tracking script and unsubscribe
   globalThis.window.DECO.events.subscribe((event) => {
     if (!event || event.name !== "deco") {
       return;

analytics/manifest.gen.ts

@@ -257,7 +257,7 @@ const snippet = ({ siteId, siteName, serviceEndpoint, userId, sessionId }: {
       utm_content: getUrlParam("utm_content"),
       utm_term: getUrlParam("utm_term"),
       referrer: document.referrer,
-      referrer_source: getReferrerSource(document.referrer), // benchmark: plausible
+      referrer_source: getReferrerSource(document.referrer),
       ip_city: undefined, // get server side
       ip_continent: undefined, // get server side
       ip_country: undefined, // get server side