docs: drop the cmd/botapi HTTP server from the plan

The library is the product; no HTTP Bot-API-compatible server is
planned. Remove it from the Phase 7 roadmap and the target package
layout/decisions in architecture.md.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

Author: ernado

docs/architecture.md

@@ -39,7 +39,7 @@ the *server* `oas.Handler` on top of `gotd/td`. We are inverting this.
 | `botdoc` doc **fetch/extract** (HTML → structured API) | **keep** — used as a reference oracle for hand-writing & for doc strings / a verification test that our hand-written surface matches the published API |
 | `internal/botapi` translation logic (convert_message, markup, peers, errors_map, send*, fileid) | **keep & re-point** from `oas.*` types to our hand-written types |
 | `internal/pool`, `internal/botstorage` | **keep** — client lifecycle, bbolt storage |
-| `cmd/botapi` (HTTP server) | **demote** to an optional example/cmd; the library is the product |
+| `cmd/botapi` (HTTP server) | **drop** — the library is the product; no HTTP Bot-API server is planned |
 
 Net: the project becomes a **library** whose public API is hand-written Bot API
 types + a `Bot` client, with the MTProto translation as its engine.
@@ -78,7 +78,6 @@ botapi/                      root package — the public library
   storage/                   bbolt session/peer/state storage (from botstorage)
 
   internal/botdoc/           kept doc fetch/extract (reference oracle + tests)
-  cmd/botapi/                optional: local Bot-API-compatible HTTP server
   cmd/botdoc/                optional: fetch & inspect the published API
   examples/
   docs/

docs/roadmap.md

@@ -171,7 +171,6 @@ Deferred within Phase 5: payment answers
 - ☑ `pool.Pool` re-pointed at public `Bot` (`pool/`): lazy per-token start,
   shared startup for concurrent callers, per-token bbolt storage, idle GC
   (`RunGC`), `Kill`/`Close`.
-- ☐ `cmd/botapi` HTTP server as an optional example (local Bot-API server)
 - ◐ Examples: `examples/echo` (handler + middleware), `examples/buttons`
   (inline keyboards + callback queries), `examples/inline` (inline mode). Media
   bot still to add.