Remove this thing (#2346)

Co-authored-by: Metal Gear Sloth <metalgearsloth@gmail.com>

Content.Server/Placement/SpawnHelpers.cs

@@ -1,25 +0,0 @@
-using Robust.Server.Interfaces.GameObjects;
-using Robust.Shared.IoC;
-using Robust.Shared.Map;
-
-namespace Content.Server.Placement
-{
-    /// <summary>
-    ///     Helper function for spawning more complex multi-entity structures
-    /// </summary>
-    public static class SpawnHelpers
-    {
-        /// <summary>
-        ///     Spawns a spotlight ground turret that will track any living entities in range.
-        /// </summary>
-        /// <param name="position"></param>
-        public static void SpawnLightTurret(EntityCoordinates position)
-        {
-            var entMan = IoCManager.Resolve<IServerEntityManager>();
-            var tBase = entMan.SpawnEntity("TurretBase", position);
-
-            var tTop = entMan.SpawnEntity("TurretTopLight", position);
-            tTop.Transform.AttachParent(tBase);
-        }
-    }
-}