software/ors-amarisoft: remove redundant netconf supervision subsciption

The Netconf subscriptions were added twice, causing the RU to reboot
because there was no supervision check on the redundant subscription.
6 jobs for master in 0 seconds
Status Job ID Name Coverage
  External
passed Cloudooo.UnitTest-Master

00:04:47

passed ERP5.StandaloneDeploymentScriptTest-Debian.Buster

00:50:11

failed SlapOS-Master.StandaloneDeploymentScriptTest-Debian.Buster

15:02:43

passed SlapOS.Eggs.UnitTest-Master.Python2

00:16:10

failed SlapOS.Eggs.UnitTest-Master.Python3

00:16:48

passed Wendelin.StandaloneDeploymentScriptTest-Debian.Buster

00:40:56