Drop support for EOL Ubuntu 18.04 and Ubuntu 20.04

Since we disable AppArmor with
voxpupuli/gha-puppet#72 we should be able to
remove the AppArmor workaround, which this commit does.

Author: kenyon

README.md

@@ -268,14 +268,7 @@ see [REFERENCE.md](REFERENCE.md)
 
 ## Limitations
 
-* Puppet 6.1.0
-* Puppet Enterprise
-
-The puppetlabs repositories can be found at:
-<http://yum.puppetlabs.com/> and <http://apt.puppetlabs.com/>
-
-* RedHat 7, 8 or compatible (CentOS, Oracle Linux, etc)
-* Ubuntu 18.04, 20.04
+See `metadata.json` for supported Puppet platforms and components.
 
 * Jira 8.x
 

metadata.json

@@ -80,8 +80,6 @@
     {
       "operatingsystem": "Ubuntu",
       "operatingsystemrelease": [
-        "18.04",
-        "20.04",
         "22.04"
       ]
     }

spec/acceptance/mysql_spec.rb

@@ -5,28 +5,10 @@
 describe 'jira mysql' do
   it 'installs with defaults' do
     pp = <<-EOS
-      # On ubuntu 20.04 and 22.04 the default is to install mariadb
-      # As the ubuntu 20.04 runner we use in github actions allready has mysql installed
-      # a apparmor error is triggerd when using mariadb in this test..
-      # Forcing the use of mysql
-      if $facts['os']['name'] == 'Ubuntu' and versioncmp($facts['os']['release']['major'], '20.04') >= 0 {
-        $mysql_service_name = 'mysql'
-        $mysql_server_package = 'mysql-server'
-        $mysql_client_package = 'mysql-client'
-      } else {
-        $mysql_service_name = undef
-        $mysql_server_package = undef
-        $mysql_client_package = undef
-      }
-
       class { 'mysql::server':
         root_password => 'strongpassword',
-        package_name => $mysql_server_package,
-        service_name => $mysql_service_name,
-      }
-      class { 'mysql::client':
-        package_name => $mysql_client_package,
       }
+      include mysql::client
 
       $cs = 'utf8mb4'