docs: remove mcp sse endpoint from openapi documentation

Co-authored-by: aider (openai/andrew/openrouter/deepseek/deepseek-chat-v3.1) <aider@aider.chat>

src/modes/server/api/mod.rs

@@ -29,7 +29,6 @@ use utoipa_swagger_ui::SwaggerUi;
         item::handle_get_item_latest_content,
         item::handle_get_item_meta,
         item::handle_get_item_content,
-        mcp::handle_mcp_sse,
     ),
     components(
         schemas(
@@ -46,7 +45,6 @@ use utoipa_swagger_ui::SwaggerUi;
     tags(
         (name = "status", description = "System status and health check endpoints"),
         (name = "item", description = "Item management endpoints for storing, retrieving, and managing content with metadata"),
-        (name = "mcp", description = "Model Context Protocol endpoints for AI tool integration")
     ),
     servers(
         (url = "/", description = "Local server")