Remove IVehicle from car.mk

IVehicle manifest is included as vintf_fragments

Bug: 153734354
Test: Manual
Change-Id: I207d11d7b905b27783b63b0536c5cee0263d2b9e
diff --git a/common/car.mk b/common/car.mk
index 763727c..7c14b01 100644
--- a/common/car.mk
+++ b/common/car.mk
@@ -20,9 +20,6 @@
     android.hardware.automotive.vehicle@2.0-service \
     android.hardware.automotive.audiocontrol@2.0-service \
 
-# vehicle Interface Manifest
-DEVICE_MANIFEST_FILE += hardware/interfaces/automotive/vehicle/2.0/manifest.vehicle.xml
-
 # Emulator configuration
 PRODUCT_COPY_FILES += \
     device/generic/car/common/config.ini:config.ini