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

[pbrezina]

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

pbrezina commented:
"""
Works as expected. There is just a left over call to `WITH_CRYPTO` macro on configure.ac. Since you removed the macro this should be removed as well.
"""

See the full comment at https://github.com/SSSD/sssd/pull/5246#issuecomment-678251761