NAS-132657 / 25.04 / Remove explicit calls to syslog.syslog module

[yocalebo]

As pointed out by a community user, we're doing a bunch of random/weird things with syslog messages. While the community member focused on the mail functionality, I found we had sprinkled in random syslog calls all over the place.

There are a bunch of problems with what we were doing:

1. we were violating the syslog specification by sending newlines in the syslog messages (they should be single lines only)
2. in the case of the email message, we were sending the entire contents of the email via syslog...that's not correct
3. all of the messages in middlewared.log are monitored by syslog-ng. If a remote syslog server is configured, then syslog-ng automatically monitors that file and sends those messages to the remote system
4. because of what I mentioned in point # 3 above, the remote syslog server was getting duplicate messages with different timestamps. This is because the messages were being forwarded by 2 different sources.

Because we already forward relevant log messages via syslog-ng, this removes the explicit calls to syslog.syslog module as to not cause confusion. While I'm here, I went ahead and formatted/fixed up the find_aliases_for_smtplib.py script.

[bugclerk]

Jira URL: https://ixsystems.atlassian.net/browse/NAS-132657