USB power mode cleanup (#25619)

* first pass at usb power mode cleanup

* fix build

* a sneaky one

* little more

* fix build

* bump pnada

* remove that

* power monitoring cleanup

* fix tests

* bump submodules
old-commit-hash: 28cb1897cb

system/hardware/base.py

@@ -78,10 +78,6 @@ class HardwareBase(ABC):
   def set_bandwidth_limit(upload_speed_kbps: int, download_speed_kbps: int) -> None:
     pass
 
-  @abstractmethod
-  def get_usb_present(self):
-    pass
-
   @abstractmethod
   def get_current_power_draw(self):
     pass

system/hardware/pc/hardware.py

@@ -50,12 +50,9 @@ class Pc(HardwareBase):
   def get_network_strength(self, network_type):
     return NetworkStrength.unknown
 
-  def get_usb_present(self):
-    return False
-
   def get_current_power_draw(self):
     return 0
-  
+
   def get_som_power_draw(self):
     return 0
 

system/hardware/tici/hardware.py

@@ -372,7 +372,6 @@ class Tici(HardwareBase):
     return (self.read_param_file("/sys/class/power_supply/bms/voltage_now", int) * self.read_param_file("/sys/class/power_supply/bms/current_now", int) / 1e12)
 
   def shutdown(self):
-    # Note that for this to work and have the device stay powered off, the panda needs to be in UsbPowerMode::CLIENT!
     os.system("sudo poweroff")
 
   def get_thermal_config(self):