refactor(core): consolidate references (#31539)

packages/opencode/src/server/routes/instance/httpapi/api.ts

@@ -17,7 +17,6 @@ import { ProjectCopyApi } from "./groups/project-copy"
 import { ProviderApi } from "./groups/provider"
 import { PtyApi, PtyConnectApi } from "./groups/pty"
 import { QuestionApi } from "./groups/question"
-import { ReferenceApi } from "./groups/reference"
 import { SessionApi } from "./groups/session"
 import { SyncApi } from "./groups/sync"
 import { TuiApi } from "./groups/tui"
@@ -61,7 +60,6 @@ export const InstanceHttpApi = HttpApi.make("opencode-instance")
   .addHttpApi(QuestionApi)
   .addHttpApi(PermissionApi)
   .addHttpApi(ProviderApi)
-  .addHttpApi(ReferenceApi)
   .addHttpApi(SessionApi)
   .addHttpApi(SyncApi)
   .addHttpApi(TuiApi)