TECS: remove ununsed getSteRate()

Signed-off-by: Silvan Fuhrer <silvan@auterion.com>

src/lib/tecs/TECS.cpp

@@ -240,8 +240,6 @@ void TECSControl::initialize(const Setpoint &setpoint, const Input &input, Param
 
 	_throttle_setpoint = _calcThrottleControlOutput(limit, ste_rate, param, flag);
 
-	_ste_rate = ste_rate.estimate;
-
 	// Debug output
 	_debug_output.total_energy_rate_estimate = ste_rate.estimate;
 	_debug_output.total_energy_rate_sp = ste_rate.setpoint;
@@ -502,7 +500,6 @@ void TECSControl::_calcThrottleControl(float dt, const SpecificEnergyRates &spec
 	}
 
 	_throttle_setpoint = constrain(throttle_setpoint, param.throttle_min, param.throttle_max);
-	_ste_rate = ste_rate.estimate;
 
 	// Debug output
 	_debug_output.total_energy_rate_estimate = ste_rate.estimate;

src/lib/tecs/TECS.hpp

@@ -313,12 +313,6 @@ public:
 	 * @return THe commanded pitch angle in [rad].
 	 */
 	float getPitchSetpoint() const {return _pitch_setpoint;};
-	/**
-	 * @brief Get specific total energy rate.
-	 *
-	 * @return the total specific energy rate in [m²/s³].
-	 */
-	float getSteRate() const {return _ste_rate;};
 	/**
 	 * @brief Get the Debug Output
 	 *
@@ -535,7 +529,6 @@ private:
 	float _pitch_setpoint{0.0f};				///< Controlled pitch setpoint [rad].
 	float _throttle_setpoint{0.0f};				///< Controlled throttle setpoint [0,1].
 	float _ratio_undersped{0.0f};				///< A continuous representation of how "undersped" the TAS is [0,1]
-	float _ste_rate{0.0f};					///< Specific total energy rate [m²/s³].
 };
 
 class TECS