Drop Travis CI support

Fixes: PROD-25037 (PROD:25037)

Change-Id: I4f84eaa1d8db69c743547f979688627ddae1fbe6
diff --git a/.kitchen.yml b/.kitchen.yml
index 10de865..4f35416 100644
--- a/.kitchen.yml
+++ b/.kitchen.yml
@@ -5,8 +5,6 @@
   #socket: tcp://127.0.0.1:2376
   use_sudo: false
 
-
-
 provisioner:
   name: salt_solo
   salt_install: bootstrap
@@ -27,16 +25,30 @@
   grains:
     noservices: True
 
-platforms:
-  - name: <%=ENV['PLATFORM'] ||  'saltstack-ubuntu-xenial-salt-stable' %>
-    driver_config:
-      image: <%=ENV['PLATFORM'] || 'docker-dev-local.docker.mirantis.net/epcim/salt/saltstack-ubuntu-xenial-salt-stable/salt:2018_11_19'%>
-      platform: ubuntu
-
 verifier:
   name: inspec
   sudo: true
 
+docker_images:
+  - &xenial-20163 <%=ENV['IMAGE_XENIAL_20163'] || 'docker-dev-local.docker.mirantis.net/epcim/salt/saltstack-ubuntu-xenial-salt-2016.3/salt:2018_11_19'%>
+  - &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: xenial-2016.3
+    driver_config:
+      image: *xenial-20163
+      platform: ubuntu
+
+  - name: xenial-2017.7
+    driver_config:
+      image: *xenial-20177
+      platform: ubuntu
+
+  - name: xenial-stable
+    driver_config:
+      image: *xenial-stable
+      platform: ubuntu
 
 suites:
   - name: single