Mpc rework2 (#19660)

* start again

* need that too

* this actually works

* not needed

* do properly

* still works

* still works

* still good

* all G without ll

* still works

* all still good

* cleanup building

* cleanup sconscript

* new lane planner

* how on earth is this silent too....

* update

* add rotation radius

* update

* pathplanner first pass

* misc fixes

* fix

* need deep_interp

* local again

* fix

* fix test

* very old

* new replay

* interp properly

* correct length

* another horrible silent bug

* like master

* fix that

* do doubles

* different delay compensation

* make robust to empty msg

* make pass with hack for now

* add some extra

* update ref for increased leg

* test cpu usage on this pr

* tiny bit faster

* purge numpy

* update ref

* not needed

* ready for merge

* try again after recompile

Co-authored-by: Adeeb Shihadeh <adeebshihadeh@gmail.com>
old-commit-hash: 158210cde8e689daa04bcaa1e502727cf7bfddb6

selfdrive/test/process_replay/ref_commit

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