MAINT: Apply pre-commit

Remove byte-order-marker pre-commit check as there would be
many adjustments necessary

90_Tower/csharp/UI/Prompt.cs

@@ -38,4 +38,4 @@ namespace Tower.UI
             return integer == number && _validValues.Contains(integer);
         }
     }
-}
+}

90_Tower/csharp/UI/TowerDisplay.cs

@@ -34,4 +34,4 @@ namespace Tower.UI
             }
         }
     }
-}
+}