UCS: reduce settings in the generic job template

Remove some settings that are set to defaults anyway.
This prevents problems when updating from earilier version,
as the "Linux All" fileset has been renamed to "LinuxAll".

platforms/univention/job-generic.template

@@ -8,7 +8,7 @@ Job {
   Name = "Backup-${client_name}"
   Client = "${client_name}-fd"
   JobDefs = "DefaultJob"
-  FileSet = "LinuxAll"
-  Schedule = "WeeklyCycle"
+  #FileSet = "LinuxAll"
+  #Schedule = "WeeklyCycle"
   Enabled = "${enable}"
 }