fix(docs): implement review comments (#549)

Signed-off-by: Maximilian Rosin <maximilian.rosin@parson-europe.com>

Author: max-rosin

doc/architecture/reference_points_coordinate_systems.adoc

@@ -14,4 +14,3 @@ The origin is the mounting position of the physical sensor or a virtual mounting
 Object coordinate system::
 Coordinate system for local object coordinates.
 The origin of the corresponding coordinate systems is not necessarily identical to the center of the object's bounding box.
-For example with vehicles, the origin is the middle of the rear axle projected onto the ground.

doc/architecture/sensor_model.adoc

@@ -3,4 +3,4 @@
 Sensor models consume sensor-view messages and produce sensor-data messages.
 Those models can be based on physics or phenomenological.
 
-Sensor-model output does not represent raw data, but detected features or classified objects.
+Sensor-model output does not represent raw data but detected features or classified objects.