refactor(chat): remove the chat server's web API

The dashboard's API covers what it offered (online players, teams, announcements) with API keys, so the
chat server no longer runs a web server; its settings show as unused on the settings page.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

docs/ChatWebAPI.yaml

@@ -1,151 +0,0 @@
-openapi: 3.0.3
-info:
-  title: DLU Chat Server API
-  description: |-
-    This documents the available api endpoints for the DLU Chat Server Web API
-  contact:
-    name: DarkflameUniverse Github
-    url: https://github.com/DarkflameUniverse/DarkflameServer/issues
-  license:
-    name: GNU AGPL v3.0
-    url: https://github.com/DarkflameUniverse/DarkflameServer/blob/main/LICENSE
-  version: 1.0.0
-
-externalDocs:
-  description: Find out more about Swagger
-  url: http://swagger.io
-
-servers:
-  - url: http://localhost:2005/api/v1/
-    description: localhost
-
-tags:
-  - name: management
-    description: Server Management Utilities
-  - name: user
-    description: User Data Utilities
-
-paths:
-  /announce:
-    post:
-      tags:
-        - management
-      summary: Send an announcement to the game server
-      requestBody:
-        content:
-          application/json:
-            schema:
-              $ref: "#/components/schemas/Announce"
-        required: true
-      responses:
-        "200":
-          description: Successful operation
-        "400":
-          description: Missing Parameter
-
-  /players:
-    get:
-      tags:
-        - user
-      summary: Get all online Players
-      responses:
-        "200":
-          description: Successful operation
-          content:
-            application/json:
-              schema:
-                type: array
-                items:
-                  $ref: "#/components/schemas/Player"
-        "204":
-          description: No Data
-
-  /teams:
-    get:
-      tags:
-        - user
-      summary: Get all active Teams
-      responses:
-        "200":
-          description: Successful operation
-          content:
-            application/json:
-              schema:
-                type: array
-                items:
-                  $ref: "#/components/schemas/Team"
-        "204":
-          description: No Data
-
-components:
-  schemas:
-    Player:
-      type: object
-      properties:
-        id:
-          type: integer
-          format: int64
-          example: 1152921508901824000
-        gm_level:
-          type: integer
-          format: uint8
-          example: 0
-        name:
-          type: string
-          example: thisisatestname
-        muted:
-          type: boolean
-          example: false
-        zone_id:
-          $ref: "#/components/schemas/ZoneID"
-
-    ZoneID:
-      type: object
-      properties:
-        map_id:
-          type: integer
-          format: uint16
-          example: 1200
-        instance_id:
-          type: integer
-          format: uint16
-          example: 2
-        clone_id:
-          type: integer
-          format: uint32
-          example: 0
-
-    Team:
-      type: object
-      properties:
-        id:
-          type: integer
-          format: int64
-          example: 1152921508901824000
-        loot_flag:
-          type: integer
-          format: uint8
-          example: 1
-        local:
-          type: boolean
-          example: false
-        leader:
-          type: string
-          example: thisisatestname
-        members:
-          type: array
-          items:
-            $ref: "#/components/schemas/Player"
-
-    Announce:
-      required:
-        - title
-        - message
-      type: object
-      properties:
-        title:
-          type: string
-          example: A Mythran has taken Action against you!
-        message:
-          type: string
-          example: Check your mailbox for details!