Remove undefined method

Author: cabranca

scene/3d/skeleton_3d.h

@@ -224,7 +224,6 @@ class Skeleton3D : public Node3D {
 	// Skeleton creation API
 	uint64_t get_version() const;
 	int add_bone(const String &p_name);
-	void remove_bone(int p_bone);
 	int find_bone(const String &p_name) const;
 	String get_bone_name(int p_bone) const;
 	void set_bone_name(int p_bone, const String &p_name);