Remove python_runtime references

In Chef 13+, resource duplication behaves differently. By centralizing
python_runtime to openstack-common, the resource executes once in a
given Chef run, instead of attempting to reinstall python multiple
times.

Change-Id: I2e17d655c86fac63e02aaadf5321bc95e2c7aa0b

recipes/neutron-fwaas-dashboard.rb

@@ -20,12 +20,6 @@ include_recipe 'openstack-dashboard::horizon'
 django_path = node['openstack']['dashboard']['django_path']
 policy_file_path = node['openstack']['dashboard']['policy_files_path']
 
-# use system python for fwaas dashboard
-python_runtime '2' do
-  provider :system
-  version '2.7'
-end
-
 python_package 'neutron-fwaas-dashboard'
 
 %w(

recipes/neutron-lbaas-dashboard.rb

@@ -19,11 +19,6 @@ include_recipe 'openstack-dashboard::horizon'
 
 django_path = node['openstack']['dashboard']['django_path']
 
-# use system python for lbaasv2 dashboard
-python_runtime '2' do
-  provider :system
-end
-
 python_package 'neutron-lbaas-dashboard' do
   version node['openstack']['dashboard']['lbaas']['version']
   notifies :run, 'execute[restore-selinux-context]', :immediately

spec/neutron-fwaas-dashboard_spec.rb

@@ -16,10 +16,6 @@ describe 'openstack-dashboard::neutron-fwaas-dashboard' do
       expect(chef_run).to include_recipe('openstack-dashboard::horizon')
     end
 
-    it do
-      expect(chef_run).to install_python_runtime('2')
-    end
-
     it do
       expect(chef_run).to install_python_package('neutron-fwaas-dashboard')
     end

spec/neutron-lbaas-dashboard_spec.rb

@@ -16,10 +16,6 @@ describe 'openstack-dashboard::neutron-lbaas-dashboard' do
       expect(chef_run).to include_recipe('openstack-dashboard::horizon')
     end
 
-    it do
-      expect(chef_run).to install_python_runtime('2')
-    end
-
     it do
       expect(chef_run).to install_python_package('neutron-lbaas-dashboard')
     end