[eric] analytics: retire the old session-snapshot cloud path (sync_session_close); full transcript + classification now come from Haik's per-message product-analytics bridge, and it was 413ing the 100KB /sync edge

backend/tests/test_browser_agent_loop.py

@@ -83,7 +83,6 @@ def p_install(monkeypatch, primary, aux):
     monkeypatch.setattr(cred_mod, "get_anthropic_client_for_model", p_client_for, raising=True)
 
     monkeypatch.setattr(BA, "load_builtin_permissions", lambda: {}, raising=True)
-    monkeypatch.setattr(am_mod.agent_manager, "sync_session_close", lambda *a, **k: None, raising=True)
 
     # fake WS: record browser commands, script results by action
     sent = []