refactor(opencode): remove core service layer exports (#34518)

packages/opencode/src/git/index.ts

@@ -100,7 +100,7 @@ const kind = (code: string): Kind => {
 
 export class Service extends Context.Service<Service, Interface>()("@opencode/Git") {}
 
-export const layer = Layer.effect(
+const layer = Layer.effect(
   Service,
   Effect.gen(function* () {
     const appProcess = yield* AppProcess.Service
@@ -343,8 +343,6 @@ export const layer = Layer.effect(
   }),
 )
 
-export const defaultLayer = layer.pipe(Layer.provide(AppProcess.defaultLayer))
-
 export const node = LayerNode.make({ service: Service, layer: layer, deps: [AppProcess.node] })
 
 export * as Git from "."