[#2069] Change log.error to log.debug for the missing email templates.
[#2069] Change log.error to log.debug for the missing email templates.

Signed-off-by: John Hoffmann <0524ac91a730f1945247566bb991856c73f9f4f2@geek.net>

leotrubach/sourceforge-allura,apache/allura,Bitergia/allura,Bitergia/allura,leotrubach/sourceforge-allura,apache/incubator-allura,leotrubach/sourceforge-allura,lym/allura-git,Bitergia/allura,apache/incubator-allura,lym/allura-git,leotrubach/sourceforge-allura,heiths/allura,Bitergia/allura,Bitergia/allura,lym/allura-git,apache/incubator-allura,heiths/allura,heiths/allura,apache/allura,apache/allura,lym/allura-git,heiths/allura,apache/allura,heiths/allura,lym/allura-git,apache/incubator-allura,apache/allura