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

packages/core/src/models-dev.ts

@@ -120,7 +120,7 @@ export interface Interface {
 
 export class Service extends Context.Service<Service, Interface>()("@opencode/ModelsDev") {}
 
-export const layer = Layer.effect(
+const layer = Layer.effect(
   Service,
   Effect.gen(function* () {
     const fs = yield* FSUtil.Service
@@ -239,11 +239,6 @@ export const layer = Layer.effect(
   }),
 )
 
-export const defaultLayer = layer.pipe(
-  Layer.provide(FetchHttpClient.layer),
-  Layer.provide(FSUtil.defaultLayer),
-  Layer.provide(EventV2.defaultLayer),
-)
 export const node = makeGlobalNode({ service: Service, layer: layer, deps: [FSUtil.node, EventV2.node, httpClient] })
 
 export * as ModelsDev from "./models-dev"