Disable warnings that would be refactored anyway (#5047)

Content.Server/Power/Components/ApcPowerReceiverComponent.cs

@@ -21,7 +21,9 @@ namespace Content.Server.Power.Components
     ///     so that it can receive power from a <see cref="IApcNet"/>.
     /// </summary>
     [RegisterComponent]
+#pragma warning disable 618
     public class ApcPowerReceiverComponent : Component, IExamine
+#pragma warning restore 618
     {
         public override string Name => "ApcPowerReceiver";
 
@@ -84,7 +86,9 @@ namespace Content.Server.Power.Components
 
         private void OnNewPowerState()
         {
+#pragma warning disable 618
             SendMessage(new PowerChangedMessage(Powered));
+#pragma warning restore 618
             Owner.EntityManager.EventBus.RaiseLocalEvent(Owner.Uid, new PowerChangedEvent(Powered));
 
             if (Owner.TryGetComponent<AppearanceComponent>(out var appearance))
@@ -104,7 +108,9 @@ namespace Content.Server.Power.Components
         }
     }
 
+#pragma warning disable 618
     public class PowerChangedMessage : ComponentMessage
+#pragma warning restore 618
     {
         public readonly bool Powered;
 

Content.Server/Power/Components/BaseCharger.cs

@@ -47,9 +47,12 @@ namespace Content.Server.Power.Components
             // Default state in the visualizer is OFF, so when this gets powered on during initialization it will generally show empty
         }
 
+        [Obsolete("Component Messages are deprecated, use Entity Events instead.")]
         public override void HandleMessage(ComponentMessage message, IComponent? component)
         {
+#pragma warning disable 618
             base.HandleMessage(message, component);
+#pragma warning restore 618
             switch (message)
             {
                 case PowerChangedMessage powerChanged:

Content.Server/Power/Components/ExaminableBatteryComponent.cs

@@ -7,7 +7,9 @@ using Robust.Shared.ViewVariables;
 namespace Content.Server.Power.Components
 {
     [RegisterComponent]
+#pragma warning disable 618
     public class ExaminableBatteryComponent : Component, IExamine
+#pragma warning restore 618
     {
         public override string Name => "ExaminableBattery";