Cleanup remaining references to max mode (#33509)

Release Notes:

- N/A

crates/agent_ui/src/ui.rs

@@ -1,13 +1,13 @@
 mod agent_notification;
 mod animated_label;
+mod burn_mode_tooltip;
 mod context_pill;
-mod max_mode_tooltip;
 mod onboarding_modal;
 pub mod preview;
 mod upsell;
 
 pub use agent_notification::*;
 pub use animated_label::*;
+pub use burn_mode_tooltip::*;
 pub use context_pill::*;
-pub use max_mode_tooltip::*;
 pub use onboarding_modal::*;