docs: update cloudflare imports

examples/cloudflare-worker/config.ts

@@ -1,21 +1,7 @@
 import type { CloudflareBkndConfig } from "bknd/adapter/cloudflare";
-import { syncTypes } from "bknd/plugins";
-import { writeFile } from "node:fs/promises";
-
-const isDev = import.meta.env && !import.meta.env.PROD;
 
 export default {
    d1: {
       session: true,
    },
-   options: {
-      plugins: [
-         syncTypes({
-            enabled: isDev,
-            write: async (et) => {
-               await writeFile("bknd-types.d.ts", et.toString());
-            },
-         }),
-      ],
-   },
 } satisfies CloudflareBkndConfig;