Misleading log messages

[jmanley]

Even with the TCU completely unplugged, the logs are full of "New TCU on CAR bus" messages, which is misleading when there is no TCU present:

...
(3581518) v-nissanleaf: RemoteCommandTimer 18
(3581518) v-nissanleaf: New TCU on CAR Bus
(3581518) v-nissanleaf: Sending Wakeup Frame
(3581518) v-nissanleaf: Start Charging
(3581618) v-nissanleaf: RemoteCommandTimer 17
(3581618) v-nissanleaf: New TCU on CAR Bus
(3581618) v-nissanleaf: Sending Wakeup Frame
(3581618) v-nissanleaf: Start Charging
(3581718) v-nissanleaf: RemoteCommandTimer 16
(3581718) v-nissanleaf: New TCU on CAR Bus
(3581718) v-nissanleaf: Sending Wakeup Frame
(3581718) v-nissanleaf: Start Charging
(3581818) v-nissanleaf: RemoteCommandTimer 15
...