Remove tax demo data: - They have the same tax name which breaks a uniqueness constraint, and cause error at migration. - It doesn't make sense to have taxes demo data Also remove assignation of those taxes on other aml demo data. closes odoo/odoo#130934 X-original-commit: 9917aa208fbdacb5b06fd728f86abda2905cbbd0 Signed-off-by: Laurent Smet (las) <las@odoo.com> Signed-off-by: Claire Bretton (clbr) <clbr@odoo.com>