Deletes cell in this row.

        .. note::

            This method adds a mutation to the accumulated mutations on this
            row, but does not make an API request. To actually
            send an API request (with the mutations) to the Google Cloud
            Bigtable API, call :meth:`commit`.

        For example:

        .. literalinclude:: snippets_table.py
            :start-after: [START bigtable_row_delete_cell]
            :end-before: [END bigtable_row_delete_cell]

        :type column_family_id: str
        :param column_family_id: The column family that contains the column
                                 or columns with cells being deleted. Must be
                                 of the form ``[_a-zA-Z0-9][-_.a-zA-Z0-9]*``.

        :type column: bytes
        :param column: The column within the column family that will have a
                       cell deleted.

        :type time_range: :class:`TimestampRange`
        :param time_range: (Optional) The range of time within which cells
                           should be deleted.

def delete_cell(self, column_family_id, column, time_range=None):
        """Deletes cell in this row.

        .. note::

            This method adds a mutation to the accumulated mutations on this
            row, but does not make an API request. To actually
            send an API request (with the mutations) to the Google Cloud
            Bigtable API, call :meth:`commit`.

        For example:

        .. literalinclude:: snippets_table.py
            :start-after: [START bigtable_row_delete_cell]
            :end-before: [END bigtable_row_delete_cell]

        :type column_family_id: str
        :param column_family_id: The column family that contains the column
                                 or columns with cells being deleted. Must be
                                 of the form ``[_a-zA-Z0-9][-_.a-zA-Z0-9]*``.

        :type column: bytes
        :param column: The column within the column family that will have a
                       cell deleted.

        :type time_range: :class:`TimestampRange`
        :param time_range: (Optional) The range of time within which cells
                           should be deleted.
        """
        self._delete_cells(
            column_family_id, [column], time_range=time_range, state=None
        )