Disable DVR for OVN floating ip

DVR with OVN floating ip is currently unstable and caused us a lot
of network connectivity issues.

This propose disable it as the default value (False) for
`enable_distributed_floating_ip`.

Change-Id: Ibcf49c331482336e1cbae76dfc2bde86962e350e

neutron/Chart.yaml

@@ -14,7 +14,7 @@ apiVersion: v1
 appVersion: v1.0.0
 description: OpenStack-Helm Neutron
 name: neutron
-version: 0.3.28
+version: 0.3.29
 home: https://docs.openstack.org/neutron/latest/
 icon: https://www.openstack.org/themes/openstack/images/project-mascots/Neutron/OpenStack_Project_Neutron_vertical.png
 sources:

neutron/values.yaml

@@ -1834,7 +1834,6 @@ conf:
     oslo_policy:
       policy_file: /etc/neutron/policy.yaml
     ovn:
-      enable_distributed_floating_ip: true
       ovn_metadata_enabled: true
     nova:
       auth_type: password

releasenotes/notes/neutron.yaml

@@ -70,4 +70,5 @@ neutron:
   - 0.3.26 Fix ovs options to allow multiple options
   - 0.3.27 Move old overrides from the tools directory
   - 0.3.28 Fix ovn for slow enviroment
+  - 0.3.29 Disable DVR for OVN floating ip
 ...