Updated event_bus to have shield change single; attempted to update

player's set shield but running into problems at runtime.

main.tscn

@@ -61,6 +61,9 @@ region_rect = Rect2(0, 0, 240, 320)
 
 [node name="Player" parent="." instance=ExtResource("2_0xm2m")]
 position = Vector2(123, 270)
+max_shield = null
+speed = null
+cooldown = null
 
 [node name="AnimationPlayer" type="AnimationPlayer" parent="."]
 libraries = {
@@ -89,6 +92,4 @@ texture_normal = ExtResource("5_lquwl")
 layout_mode = 2
 texture = ExtResource("6_7mycd")
 
-[connection signal="died" from="Player" to="." method="_on_player_died"]
-[connection signal="shield_changed" from="Player" to="CanvasLayer/UI" method="update_shield"]
 [connection signal="pressed" from="CanvasLayer/CenterContainer/Start" to="." method="_on_start_pressed"]