drop the /bee page

It showed node health, addresses, topology, wallet, stamps and chain state --
the same ground bee-manager covers at stamps.ffaerber.duckdns.org, and covers
better: bucket maps, top-up and dilute actions, the action ledger, alerting.
Two views of one node drift apart, and the weaker one is the one people find
first, from the gateway's own nav.

Route, component and nav entry go together. The gateway's /bee/stats endpoint
is left alone: nothing else in this app called it, but it is a public API route
and removing it is a decision about the API, not about this page.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01CYFnHida4AdiNDek2pzgXx

app/routes.ts

@@ -7,5 +7,4 @@ export default [
   route('login', 'routes/login.tsx'),
   route('account', 'routes/account.tsx'),
   route('chat', 'routes/chat.tsx'),
-  route('bee', 'routes/bee.tsx'),
 ] satisfies RouteConfig;