remove outdated docs and routes

main-server/API.md

@@ -267,26 +267,7 @@ curl -X DELETE http://localhost:3000/api/logout \
 
 ### Отмена поиска
 
-Убирает игрока из очереди матчмейкинга.
+Отмена поиска происходит через WebSocket: достаточно отключиться от `MatchmakingChannel` либо отправить `{ "action": "stop" }`.
-
-**URL:** `DELETE /api/matchmaking`
-
-**Auth:** требуется
-
-**Пример запроса:**
-
-```bash
-curl -X DELETE http://localhost:3000/api/matchmaking \
-  -H "Authorization: Bearer eyJhbGciOiJIUzI1NiJ9..."
-```
-
-**Успешный ответ (200 OK):**
-
-```json
-{
-  "message": "Matchmaking cancelled"
-}
-```
 
 ---
 

main-server/config/routes.rb

@@ -7,9 +7,7 @@ Rails.application.routes.draw do
     delete "logout",   to: "sessions#destroy"
     get    "me",       to: "sessions#me"
 
-    delete "matchmaking", to: "matchmaking#destroy"
+  # Matchmaking starts and stops over the MatchmakingChannel WebSocket
-
-  # Matchmaking starts over the MatchmakingChannel WebSocket
   # (see app/channels/matchmaking_channel.rb).
   end