cleanup old params (#31039)

* cleanup old params

* one more
old-commit-hash: 7ce29ef08e9ee9c930238f697bfe3b69f6be368e

system/hardware/base.py

@@ -54,10 +54,6 @@ class HardwareBase(ABC):
   def get_serial(self):
     pass
 
-  @abstractmethod
-  def get_subscriber_info(self):
-    pass
-
   @abstractmethod
   def get_network_info(self):
     pass

system/hardware/pc/hardware.py

@@ -29,9 +29,6 @@ class Pc(HardwareBase):
   def get_serial(self):
     return "cccccccc"
 
-  def get_subscriber_info(self):
-    return ""
-
   def get_network_info(self):
     return None
 

system/hardware/tici/hardware.py

@@ -206,9 +206,6 @@ class Tici(HardwareBase):
         'data_connected': modem.Get(MM_MODEM, 'State', dbus_interface=DBUS_PROPS, timeout=TIMEOUT) == MM_MODEM_STATE.CONNECTED,
       }
 
-  def get_subscriber_info(self):
-    return ""
-
   def get_imei(self, slot):
     if slot != 0:
       return ""
@@ -337,10 +334,6 @@ class Tici(HardwareBase):
       pass
     return ret
 
-  def get_usb_present(self):
-    # Not sure if relevant on tici, but the file exists
-    return self.read_param_file("/sys/class/power_supply/usb/present", lambda x: bool(int(x)), False)
-
   def get_current_power_draw(self):
     return (self.read_param_file("/sys/class/hwmon/hwmon1/power1_input", int) / 1e6)