Make pam_loginuid.so optional for ssh
Make pam_loginuid.so optional for ssh

This is in line with current Docker examples and avoids errors
due to lack of CAP_AUDIT_WRITE or some other error encountered
while setting the process attribute.

Such errors would manifest as error messages like the following:
PAM: pam_open_session(): Cannot make/remove an entry for the specified session
gitlabhq/omnibus-gitlab,gitlabhq/omnibus-gitlab,gitlabhq/omnibus-gitlab,gitlabhq/omnibus-gitlab