minor stun refactor (#18752)

* file scope

* stun autogen state

---------

Co-authored-by: deltanedas <@deltanedas:kde.org>

Content.Shared/Stunnable/KnockedDownComponent.cs

@@ -2,33 +2,17 @@ using Robust.Shared.Audio;
 using Robust.Shared.GameStates;
 using Robust.Shared.Serialization;
 
-namespace Content.Shared.Stunnable
+namespace Content.Shared.Stunnable;
+
+[RegisterComponent, NetworkedComponent, AutoGenerateComponentState, Access(typeof(SharedStunSystem))]
+public sealed partial class KnockedDownComponent : Component
 {
-    [RegisterComponent]
-    [NetworkedComponent]
-    [Access(typeof(SharedStunSystem))]
-    public sealed class KnockedDownComponent : Component
-    {
-        [DataField("helpInterval")]
-        public float HelpInterval { get; set; } = 1f;
+    [DataField("helpInterval"), AutoNetworkedField]
+    public float HelpInterval = 1f;
 
-        [DataField("helpAttemptSound")]
-        public SoundSpecifier StunAttemptSound = new SoundPathSpecifier("/Audio/Effects/thudswoosh.ogg");
+    [DataField("helpAttemptSound")]
+    public SoundSpecifier StunAttemptSound = new SoundPathSpecifier("/Audio/Effects/thudswoosh.ogg");
 
-        [ViewVariables]
-        public float HelpTimer { get; set; } = 0f;
-    }
-
-    [Serializable, NetSerializable]
-    public sealed class KnockedDownComponentState : ComponentState
-    {
-        public float HelpInterval { get; set; }
-        public float HelpTimer { get; set; }
-
-        public KnockedDownComponentState(float helpInterval, float helpTimer)
-        {
-            HelpInterval = helpInterval;
-            HelpTimer = helpTimer;
-        }
-    }
+    [ViewVariables, AutoNetworkedField]
+    public float HelpTimer = 0f;
 }