redirect non-log output of ldap import cron to /dev/null

request-tracker/tasks/main.yml

@@ -94,7 +94,7 @@
   cron:
     minute: 9
     user: www-data
-    job: /usr/local/share/request-tracker4/plugins/RT-Extension-LDAPImport/bin/rtldapimport --import
+    job: /usr/local/share/request-tracker4/plugins/RT-Extension-LDAPImport/bin/rtldapimport --import >/dev/null
     name: rtldapimport
   tags:
     - rt