Sub: EKF logging moved into EKF from logger

ArduSub/Log.cpp

@@ -57,7 +57,7 @@ void Sub::Log_Write_Attitude()
     targets.z = wrap_360_cd(targets.z);
     logger.Write_Attitude(ahrs, targets);
 
-    logger.Write_EKF(ahrs);
+    AP::ahrs_navekf().Log_Write();
     logger.Write_AHRS2(ahrs);
 #if CONFIG_HAL_BOARD == HAL_BOARD_SITL
     sitl.Log_Write_SIMSTATE();