lib remove extra semicolons

src/lib/terrain_estimation/terrain_estimator.h

@@ -58,11 +58,11 @@ class __EXPORT TerrainEstimator
 {
 public:
 	TerrainEstimator();
-	~TerrainEstimator() {};
+	~TerrainEstimator() {}
 
 	bool is_valid() {return _terrain_valid;}
 	float get_distance_to_ground() {return -_x(0);}
-	float get_velocity() {return _x(1);};
+	float get_velocity() {return _x(1);}
 
 	void predict(float dt, const struct vehicle_attitude_s *attitude, const struct sensor_combined_s *sensor,
 		     const struct distance_sensor_s *distance);
@@ -97,4 +97,4 @@ private:
 
 	bool is_distance_valid(float distance);
 
-};
+};