docs: drop private bizdocs repo reference (leak audit)

Author: vveerrgg

CLAUDE.md

@@ -32,4 +32,3 @@ This SDK gives AI agents wallet access without custody. The human controls the w
 ## Related Repos
 - `nostrkey.app.OC-python.src` — NostrKey identity SDK (dependency)
 - `loginwithnostr.web.landingpage.src` — Landing page, `/openclaw` lists this skill
-- `nostrkey.bizdocs.src` — Business docs (OpenClaw GTM)