refactor(opencode): remove app service layer exports (#34517)

packages/opencode/src/mcp/index.ts

@@ -194,7 +194,7 @@ export class Service extends Context.Service<Service, Interface>()("@opencode/MC
 
 export const use = serviceUse(Service)
 
-export const layer = Layer.effect(
+const layer = Layer.effect(
   Service,
   Effect.gen(function* () {
     const spawner = yield* ChildProcessSpawner.ChildProcessSpawner
@@ -1003,16 +1003,6 @@ export const layer = Layer.effect(
 
 export type AuthStatus = "authenticated" | "expired" | "not_authenticated"
 
-// --- Per-service runtime ---
-
-export const defaultLayer = layer.pipe(
-  Layer.provide(McpAuth.defaultLayer),
-  Layer.provide(EventV2Bridge.defaultLayer),
-  Layer.provide(Config.defaultLayer),
-  Layer.provide(CrossSpawnSpawner.defaultLayer),
-  Layer.provide(FSUtil.defaultLayer),
-)
-
 export const node = LayerNode.make({
   service: Service,
   layer: layer,