Remove event_streamer_driver

... because it was deprecated during Train cycle by [1].

[1] 748f26fe22

Change-Id: I2bb59b679714fa57c31dd0a2da9ec9ad3b9f79ad

manifests/health_manager.pp

@@ -48,12 +48,6 @@
 #  (optional) Sets the value of the heartbeat recv buffer
 #  Defaults to $::os_service_default
 #
-# DEPRECATED PARAMETERS
-#
-# [*event_streamer_driver*]
-#   (optional) Driver to use for synchronizing octavia and lbaas databases.
-#   Defaults to $::os_service_default
-#
 class octavia::health_manager (
   $heartbeat_key,
   $manage_service        = true,
@@ -67,8 +61,6 @@ class octavia::health_manager (
   $health_check_interval = $::os_service_default,
   $heartbeat_interval    = $::os_service_default,
   $sock_rlimit           = $::os_service_default,
-  # DEPRECATED PARAMETERS
-  $event_streamer_driver = undef,
 
 ) inherits octavia::params {
 
@@ -76,10 +68,6 @@ class octavia::health_manager (
 
   validate_legacy(String, 'validate_string', $heartbeat_key)
 
-  if $event_streamer_driver {
-      warning('The event_streamer_driver parameter is deprecated as result of neutron-lbaas retirement.')
-  }
-
   package { 'octavia-health-manager':
     ensure => $package_ensure,
     name   => $::octavia::params::health_manager_package_name,

releasenotes/notes/remove-event_streamer_driver-fe328ce546d09975.yaml

@@ -0,0 +1,5 @@
+---
+upgrade:
+  - |
+    The ``octavia::health_manager::event_streamer_driver`` parameter has been
+    removed.