Remove unused private variables in godot/scene

scene/2d/audio_stream_player_2d.h

@@ -48,12 +48,6 @@ private:
 
 	};
 
-	struct Output {
-		AudioFrame vol;
-		int bus_index = 0;
-		Viewport *viewport = nullptr; //pointer only used for reference to previous mix
-	};
-
 	AudioStreamPlayerInternal *internal = nullptr;
 
 	SafeNumeric<float> setplay{ -1.0 };

scene/2d/cpu_particles_2d.h

@@ -122,14 +122,6 @@ private:
 		}
 	};
 
-	struct SortAxis {
-		const Particle *particles = nullptr;
-		Vector2 axis;
-		bool operator()(int p_a, int p_b) const {
-			return axis.dot(particles[p_a].transform[2]) < axis.dot(particles[p_b].transform[2]);
-		}
-	};
-
 	//
 
 	bool one_shot = false;
@@ -178,7 +170,6 @@ private:
 	Vector<Vector2> emission_points;
 	Vector<Vector2> emission_normals;
 	Vector<Color> emission_colors;
-	int emission_point_count = 0;
 	real_t emission_ring_inner_radius = 0.8;
 	real_t emission_ring_radius = 1.0;
 

scene/2d/polygon_2d.h

@@ -56,7 +56,6 @@ class Polygon2D : public Node2D {
 
 	Size2 tex_scale = Vector2(1, 1);
 	Vector2 tex_ofs;
-	bool tex_tile = true;
 	real_t tex_rot = 0.0;
 	bool invert = false;
 	real_t invert_border = 100.0;

scene/2d/sprite_2d.h

@@ -37,8 +37,6 @@ class Sprite2D : public Node2D {
 	GDCLASS(Sprite2D, Node2D);
 
 	Ref<Texture2D> texture;
-	Color specular_color;
-	real_t shininess = 0.0;
 
 #ifdef TOOLS_ENABLED
 	bool dragging_to_resize_rect = false;

scene/2d/visible_on_screen_notifier_2d.h

@@ -36,8 +36,6 @@ class Viewport;
 class VisibleOnScreenNotifier2D : public Node2D {
 	GDCLASS(VisibleOnScreenNotifier2D, Node2D);
 
-	HashSet<Viewport *> viewports;
-
 	Rect2 rect;
 	bool show_rect = true;