public void removeColumn(Column<T, ?> col) {
        int index = columns.indexOf(col);
        if (index < 0) {
            throw new IllegalArgumentException("The specified column is not part of this table.");
        }
        removeColumn(index);
    }
Remove a column.

@param col the column to remove
stroom-core-client-widget/src/main/java/com/google/gwt/user/cellview/client/AbstractCellTable.java