Update trivial components to use auto comp states (#20539)

Content.Shared/Chemistry/Components/MovespeedModifierMetabolismComponent.cs

@@ -1,39 +1,22 @@
-using Robust.Shared.Serialization;
 using Robust.Shared.GameStates;
 
 namespace Content.Shared.Chemistry.Components
 {
     //TODO: refactor movement modifier component because this is a pretty poor solution
-    [RegisterComponent]
-    [NetworkedComponent]
+    [RegisterComponent, NetworkedComponent, AutoGenerateComponentState]
     public sealed partial class MovespeedModifierMetabolismComponent : Component
     {
-        [ViewVariables]
+        [AutoNetworkedField, ViewVariables]
         public float WalkSpeedModifier { get; set; }
 
-        [ViewVariables]
+        [AutoNetworkedField, ViewVariables]
         public float SprintSpeedModifier { get; set; }
 
         /// <summary>
         /// When the current modifier is expected to end.
         /// </summary>
-        [ViewVariables]
+        [AutoNetworkedField, ViewVariables]
         public TimeSpan ModifierTimer { get; set; } = TimeSpan.Zero;
-
-        [Serializable, NetSerializable]
-        public sealed class MovespeedModifierMetabolismComponentState : ComponentState
-        {
-            public float WalkSpeedModifier { get; }
-            public float SprintSpeedModifier { get; }
-            public TimeSpan ModifierTimer { get; }
-
-            public MovespeedModifierMetabolismComponentState(float walkSpeedModifier, float sprintSpeedModifier, TimeSpan modifierTimer)
-            {
-                WalkSpeedModifier = walkSpeedModifier;
-                SprintSpeedModifier = sprintSpeedModifier;
-                ModifierTimer = modifierTimer;
-            }
-        }
     }
 }