AP_InertialSensor: remove un-needed methods

libraries/AP_InertialSensor/AP_InertialSensor.h

@@ -160,9 +160,6 @@ public:
     const Vector3f     &get_accel(uint8_t i) const { return _accel[i]; }
     const Vector3f     &get_accel(void) const { return get_accel(_primary_accel); }
 
-    uint32_t get_gyro_error_count(uint8_t i) const { return _gyro_error_count[i]; }
-    uint32_t get_accel_error_count(uint8_t i) const { return _accel_error_count[i]; }
-
     // multi-device interface
     bool get_gyro_health(uint8_t instance) const { return (instance<_gyro_count) ? _gyro_healthy[instance] : false; }
     bool get_gyro_health(void) const { return get_gyro_health(_primary_gyro); }

libraries/AP_InertialSensor/AP_InertialSensor_Backend.cpp

@@ -664,18 +664,6 @@ void AP_InertialSensor_Backend::_set_accel_max_abs_offset(uint8_t instance,
     _imu._accel_max_abs_offsets[instance] = max_offset;
 }
 
-// set accelerometer error_count
-void AP_InertialSensor_Backend::_set_accel_error_count(uint8_t instance, uint32_t error_count)
-{
-    _imu._accel_error_count[instance] = error_count;
-}
-
-// set gyro error_count
-void AP_InertialSensor_Backend::_set_gyro_error_count(uint8_t instance, uint32_t error_count)
-{
-    _imu._gyro_error_count[instance] = error_count;
-}
-
 // increment accelerometer error_count
 void AP_InertialSensor_Backend::_inc_accel_error_count(uint8_t instance)
 {

libraries/AP_InertialSensor/AP_InertialSensor_Backend.h

@@ -234,12 +234,6 @@ protected:
     // publish a temperature value
     void _publish_temperature(uint8_t instance, float temperature); /* front end */
 
-    // set accelerometer error_count
-    void _set_accel_error_count(uint8_t instance, uint32_t error_count);
-
-    // set gyro error_count
-    void _set_gyro_error_count(uint8_t instance, uint32_t error_count);
-
     // increment accelerometer error_count
     void _inc_accel_error_count(uint8_t instance) __RAMFUNC__;
 

libraries/AP_InertialSensor/AP_InertialSensor_Logging.cpp

@@ -50,8 +50,8 @@ void AP_InertialSensor::Write_IMU_instance(const uint64_t time_us, const uint8_t
         accel_x : accel.x,
         accel_y : accel.y,
         accel_z : accel.z,
-        gyro_error  : get_gyro_error_count(imu_instance),
-        accel_error : get_accel_error_count(imu_instance),
+        gyro_error  : _gyro_error_count[imu_instance],
+        accel_error : _accel_error_count[imu_instance],
         temperature : get_temperature(imu_instance),
         gyro_health : (uint8_t)get_gyro_health(imu_instance),
         accel_health : (uint8_t)get_accel_health(imu_instance),