This is the environment implementation of
        :meth:`BaseFont.removeGlyph`. **name** will
        be a :ref:`type-string` representing an
        existing glyph in the default layer. The
        value will have been normalized with
        :func:`normalizers.normalizeGlyphName`.

        Subclasses may override this method.

def _removeGlyph(self, name, **kwargs):
        """
        This is the environment implementation of
        :meth:`BaseFont.removeGlyph`. **name** will
        be a :ref:`type-string` representing an
        existing glyph in the default layer. The
        value will have been normalized with
        :func:`normalizers.normalizeGlyphName`.

        Subclasses may override this method.
        """
        layer = self.defaultLayer
        layer.removeGlyph(name)