MAINT: Apply pre-commit

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

27_Civil_War/java/src/CivilWar.java

@@ -704,4 +704,4 @@ public class CivilWar {
 
     private record UnionLosses(int losses, int desertions) {
     }
-}
+}