Revert "Deprecate support for networking-mlnx"

This reverts commit faec067d37.

Reason for revert:
It was confirmed that the plugin will be still maintained. Releases
for Victoria and Wallaby were created an job templates were updated to
be consistent with branches in neutron repos.

Change-Id: I12c9deae9b69467845e084fc5991d004a981c339

manifests/agents/ml2/mlnx.pp

@@ -1,7 +1,6 @@
 #
 # == Class: neutron::agents::ml2::mlnx
 #
-# DEPRECATED !
 # Setups MLNX neutron agent when using ML2 plugin
 #
 # === Parameters
@@ -74,7 +73,6 @@ class neutron::agents::ml2::mlnx (
   $ipoib_physical_interface                        = $::os_service_default,
   $enable_multi_interface_driver_cache_maintenance = false,
 ) {
-  warning('Support for networking-mlnx has been deprecated')
 
   include neutron::deps
   include neutron::params

manifests/plugins/ml2/mellanox.pp

@@ -1,7 +1,4 @@
 #
-# == Class: neutron::plugins::ml2::mellanox
-#
-# DEPRECATED !
 # Install the Mellanox plugins and generate the config file
 # from parameters in the other classes.
 #
@@ -17,7 +14,6 @@
 class neutron::plugins::ml2::mellanox (
   $package_ensure = 'present'
 ) {
-  warning('Support for networking-mlnx has been deprecated')
 
   include neutron::deps
   include neutron::params

manifests/plugins/ml2/mellanox/mlnx_sdn_assist.pp

@@ -1,7 +1,4 @@
 #
-# == Class: neutron::plugins::ml2::mellanox::mlnx_sdn_assist
-#
-# DEPRECATED !
 # Install the OpenDaylight and generate config file
 # from parameters in the other classes.
 #
@@ -53,7 +50,6 @@ class neutron::plugins::ml2::mellanox::mlnx_sdn_assist (
   $bind_normal_ports            = false,
   $bind_normal_ports_physnets   = [],
 ) {
-  warning('Support for networking-mlnx has been deprecated')
 
   include neutron::deps
   require neutron::plugins::ml2

releasenotes/notes/deprecate-networking-mlnx-1585b2f692e2cfe5.yaml

@@ -1,5 +0,0 @@
----
-deprecations:
-  - |
-    Support for networking-mlnx has been deprecated and will be removed in
-    a future release.