code: func (t *Table) RemoveColumn(column int) *Table {
  	for row := range t.cells {
  		if column < 0 || column >= len(t.cells[row]) {
  			continue
  		}
  		t.cells[row] = append(t.cells[row][:column], t.cells[row][column+1:]...)
  	}
  
  	return t
  }
docs: // RemoveColumn removes the column at the given position from the table. If
  // there is no such column, this has no effect.