code: function (coords, toCoords) {
        if (!coords || coords.row === self.rowCount - 1) {
          priv.settings.data.pop();
        }
        else {
          priv.settings.data.splice(coords.row, toCoords.row - coords.row + 1);
        }
      }
docs: Removes row at the bottom of the data array
  @param {Object} [coords] Optional. Coords of the cell which row will be removed
  @param {Object} [toCoords] Required if coords is defined. Coords of the cell until which all rows will be removed