update

Wrapping the added using directives.

Author: NoelStephensUnity

com.unity.netcode.gameobjects/Runtime/Components/HalfVector3.cs

@@ -1,4 +1,6 @@
+#if NETCODE_UAC1001_CHECKS
 using System;
+#endif
 using System.Runtime.CompilerServices;
 using Unity.Mathematics;
 using UnityEngine;

com.unity.netcode.gameobjects/Runtime/Components/HalfVector4.cs

@@ -1,4 +1,6 @@
+#if NETCODE_UAC1001_CHECKS
 using System;
+#endif
 using System.Runtime.CompilerServices;
 using Unity.Mathematics;
 using UnityEngine;

com.unity.netcode.gameobjects/Runtime/Components/NetworkDeltaPosition.cs

@@ -1,4 +1,6 @@
+#if NETCODE_UAC1001_CHECKS
 using System;
+#endif
 using System.Runtime.CompilerServices;
 using Unity.Mathematics;
 using UnityEngine;