Remove Ubuntu 14.04 support (#835)

jmlrt · web-flow · commit 7175d71df130 · 2021-12-06T18:43:19.000+01:00
This commit removes the support of Ubuntu 14.04. This distribution is
EOL since April 30th 2019 and CI tests are failing because apt
repositories aren't available anymore.
diff --git a/README.md b/README.md
@@ -6,7 +6,6 @@
 
 Ansible role for 7.x/6.x Elasticsearch.  Currently this works on Debian and RedHat based linux systems. Tested platforms are:
 
-* Ubuntu 14.04
 * Ubuntu 16.04
 * Ubuntu 18.04
 * Ubuntu 20.04
diff --git a/test/matrix-6x.yml b/test/matrix-6x.yml
@@ -1,5 +1,4 @@
 OS:
-  - ubuntu-1404
   - ubuntu-1604
   - ubuntu-1804
   - ubuntu-2004
diff --git a/test/matrix.yml b/test/matrix.yml
@@ -1,5 +1,4 @@
 OS:
-  - ubuntu-1404
   - ubuntu-1604
   - ubuntu-1804
   - ubuntu-2004

Original file line number	Diff line number	Diff line change
`@@ -1,5 +1,4 @@`
`1`	`1`	`OS:`
`2`		`- - ubuntu-1404`
`3`	`2`	`- ubuntu-1604`
`4`	`3`	`- ubuntu-1804`
`5`	`4`	`- ubuntu-2004`