test: remove deprecated Salt/Python versions

test/integration/v201803-py2/README.md

-# InSpec Profile: `v201803-py2`
-
-This shows the implementation of the `v201803-py2` InSpec [profile](https://github.com/inspec/inspec/blob/master/docs/profiles.md).
-
-## Verify a profile
-
-InSpec ships with built-in features to verify a profile structure.
-
-```bash
-$ inspec check v201803-py2
-Summary
--------
-Location: v201803-py2
-Profile: profile
-Controls: 4
-Timestamp: 2019-06-24T23:09:01+00:00
-Valid: true
-
-Errors
-------
-
-Warnings
---------
-```
-
-## Execute a profile
-
-To run all **supported** controls on a local machine use `inspec exec /path/to/profile`.
-
-```bash
-$ inspec exec v201803-py2
-..
-
-Finished in 0.0025 seconds (files took 0.12449 seconds to load)
-8 examples, 0 failures
-```
-
-## Execute a specific control from a profile
-
-To run one control from the profile use `inspec exec /path/to/profile --controls name`.
-
-```bash
-$ inspec exec v201803-py2 --controls package
-.
-
-Finished in 0.0025 seconds (files took 0.12449 seconds to load)
-1 examples, 0 failures
-```
-
-See an [example control here](https://github.com/inspec/inspec/blob/master/examples/profile/controls/example.rb).

test/integration/v201803-py2/controls/pkgs_spec.rb

-# frozen_string_literal: true
-
-version =
-  case platform[:family]
-  when 'redhat'
-    '2018.3.5-1.el7'
-  when 'debian'
-    '2018.3.5+ds-1'
-  end
-
-control 'salt packages' do
-  title 'should be installed'
-
-  %w[
-    salt-master
-    salt-minion
-  ].each do |p|
-    describe package(p) do
-      it { should be_installed }
-      its('version') { should eq version }
-    end
-  end
-end

test/integration/v201803-py2/controls/service_spec.rb

-# frozen_string_literal: true
-
-control 'salt services' do
-  title 'should be running'
-
-  %w[
-    salt-master
-    salt-minion
-  ].each do |p|
-    describe service(p) do
-      it { should be_installed }
-      it { should be_enabled }
-      it { should be_running }
-    end
-  end
-end

test/integration/v201803-py2/inspec.yml

-# -*- coding: utf-8 -*-
-# vim: ft=yaml
----
-name: v201803-py2
-title: salt formula
-maintainer: SaltStack Formulas
-license: Apache-2.0
-summary: Verify that Salt `v201803-py2` is setup and configured
-supports:
-  - platform-name: debian
-  - platform-name: ubuntu
-  - platform-name: centos
-  - platform-name: fedora
-  - platform-name: opensuse
-  - platform-name: suse
-  - platform-name: freebsd
-  - platform-name: amazon
-  - platform-name: arch

test/salt/pillar/v201803-py2.sls

-# -*- coding: utf-8 -*-
-# vim: ft=yaml
----
-salt:
-  release: '2018.3'