only-en removed a leftover sentence

Author: sebkir

src/common/en/notifications.asciidoc

@@ -456,8 +456,6 @@ The entry of a fallback address will be ‘recommended’ on the [.guihint]#Noti
 
 image::notifications_warning_fallback_email.png[alt="Warning that no fallback email address is stored."]
 
-If you don’t want to use the fallback address, simply add  a new rule as the _first rule_ that deletes all preceding notifications.
-
 If - for whatever reason - you only want to get rid of the warning, but at the same time do *not* want to receive emails at the fallback address, first enter a fallback address anyhow and then create a new rule as the _first rule_, which deletes all previous notifications.
 This rule is ineffective on the notification configuration, as no notifications have been created here yet.
 But with this you can ensure that at least one rule will always apply, thus allowing this warning to be eliminated.