Drop Travis CI support

Fixes: PROD-25037 (PROD:25037)

Change-Id: I4227631693ea00a2dd412b3bb395a18dde4fab1f
diff --git a/.kitchen.yml b/.kitchen.yml
index 5bb6ced..b73890c 100644
--- a/.kitchen.yml
+++ b/.kitchen.yml
@@ -17,10 +17,10 @@
   dependencies:
     - name: linux
       repo: git
-      source: https://github.com/salt-formulas/salt-formula-linux
+      source: https://gerrit.mcp.mirantis.com/salt-formulas/linux
     - name: apache
       repo: git
-      source: https://github.com/salt-formulas/salt-formula-apache
+      source: https://gerrit.mcp.mirantis.com/salt-formulas/apache
   state_top:
     base:
       "*":
@@ -41,10 +41,19 @@
   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'] || 'ubuntu-xenial' %>
+  - name: xenial-2017.7
     driver_config:
-      image: <%= ENV['PLATFORM'] || 'docker-dev-local.docker.mirantis.net/epcim/salt/saltstack-ubuntu-xenial-salt-2016.3/salt:2018_11_19' %>
+      image: *xenial-20177
+      platform: ubuntu
+
+  - name: xenial-stable
+    driver_config:
+      image: *xenial-stable
       platform: ubuntu
 
 suites: