Move comments for email_notifications config to docs

config/config.exs

@@ -468,14 +468,9 @@ config :pleroma, Pleroma.ScheduledActivity,
 
 config :pleroma, :email_notifications,
   digest: %{
-    # Globally enable or disable digest emails
     active: true,
-    # When to send digest email, in crontab format (https://en.wikipedia.org/wiki/Cron)
-    # 0 0 * * 0 - once a week at midnight on Sunday morning
     schedule: "0 0 * * 0",
-    # Minimum interval between digest emails to one user
     interval: 7,
-    # Minimum user inactivity threshold
     inactivity_threshold: 7
   }