thermald: remove instant low voltage check (#31522)

remove instant lv check for old bug
old-commit-hash: 4abda1b6bc

selfdrive/thermald/power_monitoring.py

@@ -14,7 +14,6 @@ CAR_BATTERY_CAPACITY_uWh = 30e6
 CAR_CHARGING_RATE_W = 45
 
 VBATT_PAUSE_CHARGING = 11.8           # Lower limit on the LPF car battery voltage
-VBATT_INSTANT_PAUSE_CHARGING = 7.0    # Lower limit on the instant car battery voltage measurements to avoid triggering on instant power loss
 MAX_TIME_OFFROAD_S = 30*3600
 MIN_ON_TIME_S = 3600
 DELAY_SHUTDOWN_TIME_S = 300 # Wait at least DELAY_SHUTDOWN_TIME_S seconds after offroad_time to shutdown.
@@ -117,7 +116,6 @@ class PowerMonitoring:
     should_shutdown = False
     offroad_time = (now - offroad_timestamp)
     low_voltage_shutdown = (self.car_voltage_mV < (VBATT_PAUSE_CHARGING * 1e3) and
-                            self.car_voltage_instant_mV > (VBATT_INSTANT_PAUSE_CHARGING * 1e3) and
                             offroad_time > VOLTAGE_SHUTDOWN_MIN_OFFROAD_TIME_S)
     should_shutdown |= offroad_time > MAX_TIME_OFFROAD_S
     should_shutdown |= low_voltage_shutdown