Revert "Add charging_state to VehicleSummary (#3087)"

This reverts commit 6d0405d.

lib/teslamate/vehicles/vehicle/summary.ex

@@ -6,7 +6,7 @@ defmodule TeslaMate.Vehicles.Vehicle.Summary do
   alias TeslaMate.Log.Car
 
   defstruct ~w(
-    car display_name state since healthy latitude longitude heading battery_level charging_state usable_battery_level
+    car display_name state since healthy latitude longitude heading battery_level usable_battery_level
     ideal_battery_range_km est_battery_range_km rated_battery_range_km charge_energy_added
     speed outside_temp inside_temp is_climate_on is_preconditioning locked sentry_mode
     plugged_in scheduled_charging_start_time charge_limit_soc charger_power windows_open doors_open
@@ -84,7 +84,6 @@ defmodule TeslaMate.Vehicles.Vehicle.Summary do
 
       # Charge State
       battery_level: charge(vehicle, :battery_level),
-      charging_state: charge(vehicle, :charging_state),
       charge_current_request: charge(vehicle, :charge_current_request),
       charge_current_request_max: charge(vehicle, :charge_current_request_max),
       charge_energy_added: charge(vehicle, :charge_energy_added),