services: avahi: Add Avahi to the system profile.

* gnu/services/avahi.scm (avahi-service-type): Extend
  PROFILE-SERVICE-TYPE.
  (avahi-service): Adjust docstring.
* doc/guix.texi (Networking Services): Adjust accordingly.
* gnu/system/examples/desktop.tmpl (packages): Remove AVAHI.

1 files changed, 1 insertions, 2 deletions

diff --git a/gnu/system/examples/desktop.tmpl b/gnu/system/examples/desktop.tmpl
index ff2a1b7306c..7a479d1123b 100644
--- a/gnu/system/examples/desktop.tmpl
+++ b/gnu/system/examples/desktop.tmpl
@@ -3,7 +3,7 @@
 
 (use-modules (gnu) (gnu system nss))
 (use-service-modules desktop)
-(use-package-modules xfce ratpoison avahi certs)
+(use-package-modules xfce ratpoison certs)
 
 (operating-system
   (host-name "antelope")
@@ -40,7 +40,6 @@
   ;; Add Xfce and Ratpoison; that allows us to choose
   ;; sessions using either of these at the log-in screen.
   (packages (cons* xfce ratpoison    ;desktop environments
-                   avahi             ;useful tools
                    nss-certs         ;for HTTPS access
                    %base-packages))