controlsd: remove old process replay sentinel (#30581)

old-commit-hash: 8e00ce672d78dcb2445b4bdfa1a9e557bb365233

selfdrive/controls/controlsd.py

@@ -179,8 +179,6 @@ class Controls:
     self.v_cruise_helper = VCruiseHelper(self.CP)
     self.recalibrating_seen = False
 
-    # TODO: no longer necessary, aside from process replay
-    self.sm['liveParameters'].valid = True
     self.can_log_mono_time = 0
 
     self.startup_event = get_startup_event(car_recognized, controller_available, len(self.CP.carFw) > 0)