remove non-mandatory features from car_core

- things like camera, compass, accelerometer, landscape mode not
  mandated.
- each product should add it as necessary.

bug: 28175543
Change-Id: I171e88bee598198a8aeb64afae77b0045c02b2da

data/etc/car_core_hardware.xml

@@ -24,15 +24,11 @@
 -->
 <permissions>
     <feature name="android.hardware.audio.output" />
-    <feature name="android.hardware.camera" />
     <feature name="android.hardware.location" />
     <feature name="android.hardware.location.network" />
-    <feature name="android.hardware.sensor.compass" />
-    <feature name="android.hardware.sensor.accelerometer" />
     <feature name="android.hardware.bluetooth" />
     <feature name="android.hardware.touchscreen" />
     <feature name="android.hardware.microphone" />
-    <feature name="android.hardware.screen.landscape" />
     <!-- Feature to specify if the device is a car -->
     <feature name="android.hardware.type.automotive" />