Drop Travis CI support

Fixes: PROD-25037 (PROD:25037)

Change-Id: I393ba56da7029e46ee31e16b70363f4ab0af4e1c
diff --git a/.kitchen.yml b/.kitchen.yml
index e88ea39..43cba3a 100644
--- a/.kitchen.yml
+++ b/.kitchen.yml
@@ -8,7 +8,7 @@
   name: salt_solo
   salt_install: bootstrap
   salt_bootstrap_url: https://bootstrap.saltstack.com
-  salt_version: <%=ENV['SALT_VERSION'] || 'latest'%>
+  salt_version: latest
   require_chef: false
   log_level: error
   formula: powerdns
@@ -28,14 +28,22 @@
   name: inspec
   sudo: true
 
+docker_images:
+  - &xenial-20177 <%=ENV['IMAGE_XENIAL_20177'] || 'docker-dev-local.docker.mirantis.net/epcim/salt/saltstack-ubuntu-xenial-salt-2017.7/salt:2018_11_19'%>
+  - &xenial-stable <%=ENV['IMAGE_XENIAL_STABLE'] || 'docker-dev-local.docker.mirantis.net/epcim/salt/saltstack-ubuntu-xenial-salt-stable/salt:2018_11_19'%>
+
 platforms:
-  - name: <%=ENV['PLATFORM'] ||  'saltstack-ubuntu-xenial-salt-stable' %>
+  - name: xenial-2017.7
     driver_config:
-      image: <%=ENV['PLATFORM'] || 'epcim/salt-formulas:saltstack-ubuntu-xenial-salt-stable'%>
+      image: *xenial-20177
+      platform: ubuntu
+
+  - name: xenial-stable
+    driver_config:
+      image: *xenial-stable
       platform: ubuntu
 
 suites:
-
   - name: server
     provisioner:
       pillars-from-files: