Revert "Update submodule (again)" (#7730)

Content.IntegrationTests/Tests/EntityTest.cs

@@ -9,7 +9,6 @@ using Robust.Shared.GameObjects;
 using Robust.Shared.IoC;
 using Robust.Shared.Log;
 using Robust.Shared.Map;
-using Robust.Shared.Maths;
 using Robust.Shared.Prototypes;
 using Robust.Shared.Timing;
 
@@ -250,8 +249,10 @@ namespace Content.IntegrationTests.Tests
 
                 var tileDefinition = tileDefinitionManager["underplating"];
                 var tile = new Tile(tileDefinition.TileId);
+                var coordinates = grid.ToCoordinates();
+
+                grid.SetTile(coordinates, tile);
 
-                grid.SetTile(Vector2i.Zero, tile);
                 mapManager.DoMapInitialize(mapId);
             });