refactor: trim unused testing exports

extensions/codex/src/conversation-binding.ts

@@ -352,9 +352,3 @@ function enqueueBoundTurn<T>(key: string, run: () => Promise<T>): Promise<T> {
   });
   return next;
 }
-
-export const __testing = {
-  resetQueues() {
-    getGlobalState().queues.clear();
-  },
-};

extensions/codex/src/conversation-control.ts

@@ -253,9 +253,3 @@ function permissionsForMode(mode: PermissionsMode): {
     ? { approvalPolicy: "never", sandbox: "danger-full-access" }
     : { approvalPolicy: "on-request", sandbox: "workspace-write" };
 }
-
-export const __testing = {
-  resetActiveTurns() {
-    getActiveTurns().clear();
-  },
-};