[Units] remove Microseconds for timestamp

src/shared/sensors/BMX160/BMX160.cpp

src/shared/sensors/BMX160/BMX160Data.h

src/shared/sensors/BMX160/BMX160WithCorrection.cpp

src/shared/sensors/BMX160/BMX160WithCorrectionData.h

src/shared/sensors/H3LIS331DL/H3LIS331DLData.h

src/shared/sensors/LIS331HH/LIS331HH.cpp

src/shared/sensors/LIS331HH/LIS331HHData.h

src/shared/sensors/LIS3DSH/LIS3DSH.h

src/shared/sensors/LIS3DSH/LIS3DSHData.h

src/shared/sensors/LSM6DSRX/LSM6DSRX.cpp

src/shared/sensors/LSM6DSRX/LSM6DSRXData.h

src/shared/sensors/MPU9250/MPU9250.cpp

src/shared/sensors/MPU9250/MPU9250Data.h

src/shared/sensors/SensorData.h

src/shared/sensors/VN100/VN100.cpp

src/shared/sensors/VN100/VN100Data.h

src/tests/sensors/test-lis3dsh.cpp