[sssd PR#5766][comment] Sources cleanup - part 3.

[alexey-tikhonov]

URL: https://github.com/SSSD/sssd/pull/5766
Title: #5766: Sources cleanup - part 3.

alexey-tikhonov commented:
"""
Also there is an issue with a spec file:
```
 /usr/bin/install -p -m 644 src/sysv/systemd/sssd.service src/sysv/systemd/sssd-nss.socket src/sysv/systemd/sssd-nss.service src/sysv/systemd/sssd-pam.socket src/sysv/systemd/sssd-pam-priv.socket src/sysv/systemd/sssd-pam.service src/sysv/systemd/sssd-autofs.socket src/sysv/systemd/sssd-autofs.service src/sysv/systemd/sssd-ifp.service src/sysv/systemd/sssd-pac.socket src/sysv/systemd/sssd-pac.service src/sysv/systemd/sssd-ssh.socket src/sysv/systemd/sssd-ssh.service src/sysv/systemd/sssd-sudo.socket src/sysv/systemd/sssd-sudo.service ./src/sysv/systemd/sssd-kcm.socket src/sysv/systemd/sssd-kcm.service '/builddir/build/BUILDROOT/sssd-2.5.3-0.210827.210238.git9841f13e6.fc34.x86_64/usr/lib/systemd/system'
/usr/bin/install: cannot stat './src/sysv/systemd/sssd-kcm.socket': No such file or directory
```
"""

See the full comment at https://github.com/SSSD/sssd/pull/5766#issuecomment-908203913