Remove sen/prc name from YAML files -- unused anyway

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:

demos/processor_imu_no_vote.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
 time tolerance: 0.0025         # Time tolerance for joining KFs
 unmeasured perturbation std: 0.00001
 keyframe vote:

demos/processor_odom_3D.yaml

 type: "ODOM 3D"              # This must match the KEY used in the SensorFactory. Otherwise it is an error.
-name: "Main odometer"        # This is ignored. The name provided to the SensorFactory prevails
 
 time_tolerance:         0.01  # seconds
 

demos/sensor_imu.yaml

 sensor type: "IMU"             # This must match the KEY used in the SensorFactory. Otherwise it is an error.
-sensor name: "Main IMU"        # This is ignored. The name provided to the SensorFactory prevails
 motion variances: 
     a_noise:                0.053     # standard deviation of Acceleration noise (same for all the axis) in m/s2
     w_noise:                0.0011    # standard deviation of Gyroscope noise (same for all the axis) in rad/sec

demos/sensor_odom_3D.yaml

 type: "ODOM 3D"              # This must match the KEY used in the SensorFactory. Otherwise it is an error.
-name: "Main odometer"        # This is ignored. The name provided to the SensorFactory prevails
 
 k_disp_to_disp:   0.02  # m^2   / m
 k_disp_to_rot:    0.02  # rad^2 / m