quad: remove imu_logger, we can get what we need from normal logs

quad/xsdk_workspace/imu_logger/src/iic_mpu9150_utils.c

quad/xsdk_workspace/imu_logger/src/iic_mpu9150_utils.h

quad/xsdk_workspace/imu_logger/src/initialize_components.c

quad/xsdk_workspace/imu_logger/src/initialize_components.h

quad/xsdk_workspace/imu_logger/src/log_data.c

quad/xsdk_workspace/imu_logger/src/log_data.h

quad/xsdk_workspace/imu_logger/src/lscript.ld

quad/xsdk_workspace/imu_logger/src/main.c

quad/xsdk_workspace/imu_logger/src/mio7_led.c

quad/xsdk_workspace/imu_logger/src/mio7_led.h

quad/xsdk_workspace/imu_logger/src/new_PID.h

quad/xsdk_workspace/imu_logger/src/new_log_data.c

quad/xsdk_workspace/imu_logger/src/new_log_data.h

quad/xsdk_workspace/imu_logger/src/old_log_data.h

quad/xsdk_workspace/imu_logger/src/packet_processing.c

quad/xsdk_workspace/imu_logger/src/packet_processing.h

quad/xsdk_workspace/imu_logger/src/platform.c

quad/xsdk_workspace/imu_logger/src/platform.h

quad/xsdk_workspace/imu_logger/src/platform_config.h

quad/xsdk_workspace/imu_logger/src/quadposition.h