Fixing code formatting

Author: noellie-velez

com.unity.netcode.gameobjects/Runtime/Core/NetworkManager.cs

@@ -951,7 +951,7 @@ public NetworkPrefabHandler PrefabHandler
         /// <see cref="Unity.Netcode.RpcTarget.Not{T}(T)"/>
         /// </summary>
 #pragma warning restore IDE0001
-        [System.NonSerialized]
+        [NonSerialized]
         public RpcTarget RpcTarget;
 
         /// <summary>