refactor(core): remove infrastructure layer exports (#34624)

packages/core/src/skill/discovery.ts

@@ -68,7 +68,7 @@ export interface Interface {
 
 export class Service extends Context.Service<Service, Interface>()("@opencode/v2/SkillDiscovery") {}
 
-export const layer = Layer.effect(
+const layer = Layer.effect(
   Service,
   Effect.gen(function* () {
     const fs = yield* FSUtil.Service
@@ -210,10 +210,4 @@ export const layer = Layer.effect(
   }),
 )
 
-export const defaultLayer = layer.pipe(
-  Layer.provide(FetchHttpClient.layer),
-  Layer.provide(FSUtil.defaultLayer),
-  Layer.provide(Global.defaultLayer),
-)
-
 export const node = makeGlobalNode({ service: Service, layer, deps: [httpClient, FSUtil.node, Global.node] })