Chef 16 updates

Depends-On: https://review.opendev.org/747556
Change-Id: Ia1d62b3d9e8843956831faa30436e2fdc6992c8d
Signed-off-by: Lance Albertson <lance@osuosl.org>

README.rst

@@ -21,7 +21,7 @@ Requirements
 ============
 
 - Chef 15 or higher
-- Chef Workstation 0.18.3 for testing (also includes Berkshelf for
+- Chef Workstation 20.8.111 for testing (also includes Berkshelf for
   cookbook dependency resolution)
 
 Platform

recipes/apache2-server.rb

@@ -23,8 +23,6 @@
 # limitations under the License.
 #
 
-require 'uri'
-
 class ::Chef::Recipe
   include ::Openstack
   include Apache2::Cookbook::Helpers

recipes/horizon.rb

@@ -23,8 +23,6 @@
 # limitations under the License.
 #
 
-require 'uri'
-
 class ::Chef::Recipe
   include ::Openstack
 end
@@ -32,7 +30,7 @@ end
 platform_options = node['openstack']['dashboard']['platform']
 
 identity_endpoint = internal_endpoint 'identity'
-auth_url = ::URI.decode identity_endpoint.to_s
+auth_url = identity_endpoint.to_s
 
 http_bind = node['openstack']['bind_service']['dashboard_http']
 http_bind_address = bind_address http_bind