[sssd PR#5246][comment] Drop support of libnss as a crypto backend

[alexey-tikhonov]

URL: https://github.com/SSSD/sssd/pull/5246
Title: #5246: Drop support of libnss as a crypto backend

alexey-tikhonov commented:
"""
Rebased on the latest master branch.
"""

See the full comment at https://github.com/SSSD/sssd/pull/5246#issuecomment-670461156