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

packages/opencode/src/plugin/index.ts

@@ -120,7 +120,7 @@ async function applyPlugin(load: PluginLoader.Loaded, input: PluginInput, hooks:
   }
 }
 
-export const layer = Layer.effect(
+const layer = Layer.effect(
   Service,
   Effect.gen(function* () {
     const events = yield* EventV2Bridge.Service
@@ -305,12 +305,6 @@ export const layer = Layer.effect(
   }),
 )
 
-export const defaultLayer = layer.pipe(
-  Layer.provide(EventV2Bridge.defaultLayer),
-  Layer.provide(Config.defaultLayer),
-  Layer.provide(RuntimeFlags.defaultLayer),
-)
-
 export const node = LayerNode.make({
   service: Service,
   layer: layer,