Revert "kvm: added back ipv6 parameter"

This reverts commit 01190bda.

software/kvm/common.cfg

@@ -100,7 +100,7 @@ on-update = true
 recipe = hexagonit.recipe.download
 url = ${:_profile_base_location_}/instance-kvm-resilient.cfg.jinja2
 mode = 644
-md5sum = b4a1244f1d4a3e75884db271d792ee9e
+md5sum = a07c96b53fe9145278cd64a3b27a459a
 download-only = true
 on-update = true
 

software/kvm/instance-kvm-resilient.cfg.jinja2

@@ -30,13 +30,12 @@ return =
   url ssh-public-key ssh-url notification-id ip
 # KVM related parameters
 # XXX: return ALL parameters (like nat rules), through jinja
-  backend-url url ipv6
+  backend-url url
 
 [publish-connection-informations]
 recipe = slapos.cookbook:publish
 backend-url = ${request-kvm:connection-backend-url}
 url = ${request-kvm:connection-url}
-ipv6 = ${request-kvm:connection-ipv6}
 
 [kvm-frontend-url-promise]
 # Check that url parameter is complete