remove old model packet (#19769)

* remove publisher

* move to V2

* radard new model

* fix plant

* change packety

* need hack here too

* change to new

* this has been wrong all along

* no more model msg

* subscribe to new model

* not needed anymore

* make work

* need to ignore that too

* should pass tests, needs car test

* fix process replay

* no more poly

* update refs

Co-authored-by: Adeeb Shihadeh <adeebshihadeh@gmail.com>

selfdrive/test/process_replay/ref_commit

@@ -1 +1 @@
-3686b117b61bfe6ad49bdef435b9112869bbf7e0
+0b75e9c24662151100e77057ff7d1ffcf55d841a