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

packages/opencode/src/skill/index.ts

@@ -247,7 +247,7 @@ const loadSkills = Effect.fnUntraced(function* (
 
 export class Service extends Context.Service<Service, Interface>()("@opencode/Skill") {}
 
-export const layer = Layer.effect(
+const layer = Layer.effect(
   Service,
   Effect.gen(function* () {
     const discovery = yield* Discovery.Service
@@ -318,15 +318,6 @@ export const layer = Layer.effect(
   }),
 )
 
-export const defaultLayer = layer.pipe(
-  Layer.provide(Discovery.defaultLayer),
-  Layer.provide(Config.defaultLayer),
-  Layer.provide(EventV2Bridge.defaultLayer),
-  Layer.provide(FSUtil.defaultLayer),
-  Layer.provide(Global.layer),
-  Layer.provide(RuntimeFlags.defaultLayer),
-)
-
 export function fmt(list: Info[], opts: { verbose: boolean }) {
   const described = list.filter((skill) => skill.description !== undefined)
   if (described.length === 0) return "No skills are currently available."