Revert "Pin the hyperzine manifest to W6EqQbl9"

This reverts commit 3e92530c47.

src/config.ts

@@ -5,9 +5,6 @@ export const BLOG_DEFAULT_DESCRIPTION =
   "A blog about cyberspace decentralization";
 export const BLOG_TWITTER_HANDLE = "";
 export const MANIFEST_REFERENCE_NAME = "mystic";
-// Pinned manifest. When set, the site loads this manifest instead of
-// resolving the reference. Blank it to go back to reference resolution.
-export const MANIFEST_TX_ID = "W6EqQbl9kdM7nqiqhCclZnZEQJs0Rr7sDz-N2ou4TLM";
 export const ARWEAVE_GATEWAY = "https://arweave.net";
 
 export const AO_URL = "https://push-1.forward.computer";