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

packages/core/src/git.ts

@@ -172,7 +172,7 @@ export interface Interface {
 
 export class Service extends Context.Service<Service, Interface>()("@opencode/GitV2") {}
 
-export const layer = Layer.effect(
+const layer = Layer.effect(
   Service,
   Effect.gen(function* () {
     const fs = yield* FSUtil.Service
@@ -943,7 +943,6 @@ export const layer = Layer.effect(
   }),
 )
 
-export const defaultLayer = layer.pipe(Layer.provide(FSUtil.defaultLayer), Layer.provide(AppProcess.defaultLayer))
 export const node = makeGlobalNode({ service: Service, layer: layer, deps: [FSUtil.node, AppProcess.node] })
 
 interface Result {