remove unnecessary ";"

dmnverifierapi/src/main/java/de/unikoblenz/fgbks/core/dmn/domain/vdmn/VDmnColumn.java

@@ -9,7 +9,7 @@ public interface VDmnColumn extends VDmnElement {
 
   default ColumnId getColumnId() {
     return (ColumnId) getId();
-  };
+  }
 
   VTypeRef getTypeRef();