Remove sensor from processor creators

demos/processor_imu.yaml

-processor type: "IMU"              # This must match the KEY used in the SensorFactory. Otherwise it is an error.
-processor name: "Main imu"        # This is ignored. The name provided to the SensorFactory prevails
-unmeasured perturbation std: 0.00001
-time tolerance: 0.0025         # Time tolerance for joining KFs
-keyframe vote:
-    max time span:      2.0   # seconds
-    max buffer length:  20000    # motion deltas
-    dist traveled:      2.0   # meters
-    angle turned:       0.2   # radians (1 rad approx 57 deg, approx 60 deg)
+type: "IMU"              # This must match the KEY used in the SensorFactory. Otherwise it is an error.
+
+time_tolerance: 0.0025         # Time tolerance for joining KFs
+unmeasured_perturbation_std: 0.00001
+
+keyframe_vote:
     voting_active:      false
-    
\ No newline at end of file
+    voting_aux_active:  false
+    max_time_span:      2.0   # seconds
+    max_buff_length:  20000    # motion deltas
+    dist_traveled:      2.0   # meters
+    angle_turned:       0.2   # radians (1 rad approx 57 deg, approx 60 deg)