Removes un-needed cinder parameter

Depends on https://review.openstack.org/#/c/41170/

Cinder is always the default now,
therefore this option is not needed.

Change-Id: I87677af8ebfb0a50ab9fc5a869954de493f156f1

manifests/keystone.pp

@@ -239,8 +239,6 @@ class openstack::keystone (
         admin_address    => $nova_admin_real,
         internal_address => $nova_internal_real,
         region           => $region,
-        # indicates that we should not create endpoints for nova-volumes
-        cinder           => true,
       }
     }
 

spec/classes/openstack_keystone_spec.rb

@@ -54,8 +54,7 @@ describe 'openstack::keystone' do
         :public_address   => params[:public_address],
         :admin_address    => params[:public_address],
         :internal_address => params[:public_address],
-        :region           => 'RegionOne',
-        :cinder           => true
+        :region           => 'RegionOne'
       )
     end
   end