Move to opendev

Use review.opendev.org instead of review.openstack.org.

You can see the discussion below:
http://lists.openstack.org/pipermail/openstack-discuss/2019-March/003603.html

Change-Id: I1e2a4d374b9c2d1dc46ab3758bd3c6f0b93d24fc

lib/puppet/provider/neutron.rb

@@ -235,7 +235,7 @@ class Puppet::Provider::Neutron < Puppet::Provider::Openstack
     if ! instance
       instance = Puppet::Type.type(instance_type).instances.find do |i|
         # We need to check against the Default domain name because of
-        # https://review.openstack.org/#/c/226919/ which changed the naming
+        # https://review.opendev.org/#/c/226919/ which changed the naming
         # format for the tenant to include ::<Domain name>. This should be
         # removed when we drop the resource without a domain name.
         # TODO(aschultz): remove ::domain lookup as part of M-cycle

manifests/init.pp

@@ -171,7 +171,7 @@
 #   (optional) The amount of time to wait before attempting to reconnect
 #   to MQ provider. This is used in some cases where you may need to wait
 #   for the provider to propery premote the master before attempting to
-#   reconnect. See https://review.openstack.org/#/c/76686
+#   reconnect. See https://review.opendev.org/#/c/76686
 #   Defaults to $::os_service_default
 #
 # [*kombu_missing_consumer_retry_timeout*]

releasenotes/notes/Removal-of-neutron-vpnaas-service-eb981d400e4d7c3e.yaml

@@ -2,6 +2,6 @@
 deprecations:
   - |
     The neutron-vpnaas project has removed the agent service in
-    https://review.openstack.org/517263 . Thus, the "enabled" and
+    https://review.opendev.org/517263 . Thus, the "enabled" and
     "manage_service" parameters of class neutron::agents:vpnaas have been
     deprecated in Queens.

releasenotes/notes/lbaasv2-default-066d13cf24fc4c49.yaml

@@ -1,7 +1,7 @@
 ---
 upgrade:
   - Switch-on lbaasv2 by default instead of lbaasv2 to follow what upstream Neutron is doing
-    in https://review.openstack.org/286381 and also switch default device_driver to be
+    in https://review.opendev.org/286381 and also switch default device_driver to be
     neutron_lbaas.drivers.haproxy.namespace_driver.HaproxyNSDriver
 
 deprecations: