Remove argument option for the `remove_animation` that no longer exists

scene/animation/animation_player.cpp

@@ -1909,7 +1909,7 @@ NodePath AnimationPlayer::get_root() const {
 
 void AnimationPlayer::get_argument_options(const StringName &p_function, int p_idx, List<String> *r_options) const {
 	String pf = p_function;
-	if (p_idx == 0 && (p_function == "play" || p_function == "play_backwards" || p_function == "remove_animation" || p_function == "has_animation" || p_function == "queue")) {
+	if (p_idx == 0 && (p_function == "play" || p_function == "play_backwards" || p_function == "has_animation" || p_function == "queue")) {
 		List<StringName> al;
 		get_animation_list(&al);
 		for (const StringName &name : al) {