refactor(addons): remove the shims for older add-on data

No release carried add-ons, so nothing reads older add-on data or
manifests. Delete the code that did.

- Connectors: the kind and the add-on of the Telegram connectors that
  core once carried are gone (LegacyAddon, KindTelegram, the stored
  binding normalization, the platform titles). A binding needs a kind,
  and its add-on is the one that serves the kind. The conversion of the
  old agent pool lists every connector as dropped instead of making a
  Telegram binding, and its notes say so.
- The library index reads only the id field of an entry, not addonId.
- A host control that has a capability block (the network policy) is
  attached by that block alone, not by a tool that replaces bash.
- The Office create tools no longer answer for the argument names of an
  earlier schema, and the identity file note about old addresses is
  gone.
- The known debt of the provider-name guard drops the entries of the
  conversion and of the resource listing shim, and its ceiling goes
  from 13 to 5.

Assisted-by: Claude:claude-sonnet-5-5 go test

docs/superpowers/plans/2026-10-16-addons-navigation.md

@@ -4426,7 +4426,7 @@ Expected: a `failed` line: `Cannot find module '../build.mjs'`.
   "os": "linux",
   "arch": "amd64",
   "host": { "min": 1, "max": 1 },
-  "api": {"min": 2, "max": 2},
+  "api": { "min": 1, "max": 1 },
   "protocol": { "min": 1, "max": 1 },
   "dataFormat": { "min": 1, "max": 1 },
   "capabilities": {