[SSSD] [sssd PR#585][comment] tcurl: do not log the payload

[fidencio]

URL: https://github.com/SSSD/sssd/pull/585
Title: #585: tcurl: do not log the payload

fidencio commented:
"""
CI: http://vm-031.$%7Babc%7Dlogs/job/89/61/summary.html
"""

See the full comment at https://github.com/SSSD/sssd/pull/585#issuecomment-393429297