Remove default value of Vehicle.Cabin.DriverPosition and Vehicle.Chas…

…sis.SteeringWheel.Position

Also modified comment to Vehicle.Cabin.DriverPosition to remove text about default value.

Signed-off-by: Nick Russell <nrussell@blackberry.com>

spec/Cabin/Cabin.vspec

@@ -155,9 +155,8 @@ DriverPosition:
   datatype: string
   type: attribute
   allowed: ['LEFT', 'MIDDLE', 'RIGHT']
-  default: 'LEFT'
   description: The position of the driver seat in row 1.
-  comment: Default value is position 'LEFT', i.e. a typical LHD vehicle. Some signals use DriverSide and PassengerSide as instances. If this signal specifies that DriverPosition is LEFT or MIDDLE, then DriverSide refers to left side and PassengerSide to right side. If this signal specifies that DriverPosition is RIGHT, then DriverSide refers to right side and PassengerSide to left side.
+  comment: Some signals use DriverSide and PassengerSide as instances. If this signal specifies that DriverPosition is LEFT or MIDDLE, then DriverSide refers to left side and PassengerSide to right side. If this signal specifies that DriverPosition is RIGHT, then DriverSide refers to right side and PassengerSide to left side.
 
 SeatRowCount:
   datatype: uint8

spec/Chassis/Chassis.vspec

@@ -167,13 +167,6 @@ SteeringWheel.Extension:
   unit: percent
   description: Steering wheel column extension from dashboard. 0 = Closest to dashboard. 100 = Furthest from dashboard.
 
-SteeringWheel.Position:
-  datatype: string
-  type: attribute
-  default: 'FRONT_LEFT'
-  allowed: ['FRONT_LEFT', 'FRONT_RIGHT']
-  description: Position of the steering wheel on the left or right side of the vehicle.
-
 #
 # Accelerator
 #