Removal of Ubuntu 14.04 because of EOL

Signed-off-by: Artem Sidorenko <[email protected]>

Author: artem-sidorenko

.kitchen.dokken.yml

@@ -70,12 +70,6 @@ platforms:
   driver:
     image: dokken/opensuse-leap
     pid_one_command: /bin/systemd
-- name: ubuntu-14.04
-  driver:
-    image: dokken/ubuntu-14.04
-    pid_one_command: /sbin/init
-    intermediate_instructions:
-      - RUN /usr/bin/apt-get update
 - name: ubuntu-16.04
   driver:
     image: dokken/ubuntu-16.04

.kitchen.yml

@@ -3,7 +3,6 @@ driver:
   name: vagrant
 
 platforms:
-- name: ubuntu-14.04
 - name: ubuntu-16.04
 - name: ubuntu-18.04
 - name: centos-6

.travis.yml

@@ -9,7 +9,6 @@ services:
 rvm: 2.6.3
 
 env:
- - INSTANCE=ubuntu-1404
  - INSTANCE=ubuntu-1604
  - INSTANCE=ubuntu-1604 CHEF_VERSION=14.13.11
  - INSTANCE=ubuntu-1804