Fix AME node updating to fix exceptions.

And also make it run less poorly, I guess.

Content.Server/AME/Components/AMEControllerComponent.cs

@@ -212,9 +212,6 @@ namespace Content.Server.AME.Components
                 case UiButton.DecreaseFuel:
                     InjectionAmount = InjectionAmount > 0 ? InjectionAmount -= 2 : 0;
                     break;
-                case UiButton.RefreshParts:
-                    RefreshParts();
-                    break;
             }
 
             GetAMENodeGroup()?.UpdateCoreVisuals(InjectionAmount, _injecting);
@@ -277,12 +274,6 @@ namespace Content.Server.AME.Components
 
         }
 
-        private void RefreshParts()
-        {
-            GetAMENodeGroup()?.RefreshAMENodes(this);
-            UpdateUserInterface();
-        }
-
         private AMENodeGroup? GetAMENodeGroup()
         {
             Owner.TryGetComponent(out NodeContainerComponent? nodeContainer);