Update docs to use most current security settings

[karenzone]

Some configuration examples use outdated security settings, specifically cacert and force-peer. We recently removed old security settings from plugin docs and updated them with replacement settings. The info in those docs will give us a headstart toward fixing outdated configs other places in docs.

Repos to search for outdated configs

• logstash
• docs-content
• beats
• others?

Related:

• [ElasticAgent] Update Logstash output doc to use most current ssl settings #2682
• Update SSL config settings for logstash output #2683