Remove workaround for the old octavia package

The systemd service unit was updated[1] so that /var/run/octavia is
created when the driver-agent service starts.

[1] https://review.rdoproject.org/r/c/openstack/octavia-distgit/+/43813

Change-Id: Iae292acba293a6da8700e4381a2e4e42f9e504e5

manifests/octavia.pp

@@ -29,16 +29,6 @@ class openstack_integration::octavia (
     Exec['update-ca-certificates'] ~> Service['httpd']
   }
 
-  # TODO(tkajinam): This directory should be created by the package.
-  file { '/var/run/octavia':
-    ensure  => directory,
-    owner   => 'octavia',
-    group   => 'octavia',
-    mode    => '0770',
-    require => Anchor['octavia::config::begin'],
-    before  => Anchor['octavia::config::end']
-  }
-
   class { 'octavia::logging':
     debug => true,
   }