Drop block signal use, fix LGTM alerts

Signed-off-by: Jafar Al-Gharaibeh <to.jafar@gmail.com>

selfdrive/car/mazda/carcontroller.py

@@ -1,5 +1,5 @@
 from selfdrive.car.mazda import mazdacan
-from selfdrive.car.mazda.values import DBC, SteerLimitParams
+from selfdrive.car.mazda.values import SteerLimitParams
 from opendbc.can.packer import CANPacker
 from selfdrive.car import apply_std_steer_torque_limits
 

selfdrive/car/mazda/carstate.py

@@ -58,7 +58,7 @@ class CarState(CarStateBase):
     ret.gasPressed = ret.gas > 1e-3
 
     # No steer if block signal is on
-    block = cp.vl["STEER_RATE"]['LKAS_BLOCK'] == 1
+    # block = cp.vl["STEER_RATE"]['LKAS_BLOCK'] == 1
 
     # On if no driver torque the last 5 seconds
     handsoff = cp.vl["STEER_RATE"]['HANDS_OFF_5_SECONDS'] == 1
@@ -67,7 +67,7 @@ class CarState(CarStateBase):
 
     if speed_kph > LKAS_LIMITS.ENABLE_SPEED:
       self.lkas_on = True
-    elif speed_kph < LKAS_LIMITS.DISABLE_SPEED and block:
+    elif speed_kph < LKAS_LIMITS.DISABLE_SPEED:
       self.lkas_on = False
 
     # if any of the cruize buttons is pressed force state update

selfdrive/car/mazda/interface.py

@@ -3,7 +3,6 @@ from cereal import car
 from selfdrive.config import Conversions as CV
 from selfdrive.controls.lib.drive_helpers import create_event, EventTypes as ET
 from selfdrive.car.mazda.values import CAR,  FINGERPRINTS, ECU_FINGERPRINT, Ecu
-from selfdrive.car.mazda.carstate import CarState
 from selfdrive.car import STD_CARGO_KG, scale_rot_inertia, scale_tire_stiffness, gen_empty_fingerprint, is_ecu_disconnected
 from selfdrive.car.interfaces import CarInterfaceBase