[docs] Removed left over from merge conflict

Ref 5c40d84e78d23e69c92957be5c267a2ffaeb724e

docs/u_and_e.md

@@ -52,8 +52,7 @@ curl -L https://raw.githubusercontent.com/docker/compose/$(docker-compose versio
 Edit a domain as (domain) administrator to add an item to the filter table.
 
 Beware that a mailbox user can login to mailcow and override a domain policy filter item. 
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 ## Change default language
 
 Change `data/conf/sogo/sogo.conf` and replace "English" by your prefered language.