Remove redundant function icinga2::unwrap

The function can be safely replaced by a build-in Puppet `unwrap()` or
`.unwrap` call.

See https://www.puppet.com/docs/puppet/7/function.html#unwrap

REFERENCE.md

@@ -82,7 +82,6 @@ For more information, see lib/puppet_x/icinga2/utils.rb.
 * [`icinga2::icinga2_ticket_id`](#icinga2--icinga2_ticket_id): Summarise what the function does here
 * [`icinga2::newline`](#icinga2--newline): Replace newlines for Windows systems.
 * [`icinga2::parse`](#icinga2--parse)
-* [`icinga2::unwrap`](#icinga2--unwrap): This function returns an unwrap string if necessary.
 
 ### Data types
 
@@ -5753,24 +5752,6 @@ Data type: `Hash[String, Any]`
 
 
 
-### <a name="icinga2--unwrap"></a>`icinga2::unwrap`
-
-Type: Puppet Language
-
-This function returns an unwrap string if necessary.
-
-#### `icinga2::unwrap(Optional[Variant[String, Sensitive[String]]] $arg = undef)`
-
-The icinga2::unwrap function.
-
-Returns: `Any` The unwraped string.
-
-##### `arg`
-
-Data type: `Optional[Variant[String, Sensitive[String]]]`
-
-
-
 ## Data types
 
 ### <a name="Icinga2--BasicAuth"></a>`Icinga2::BasicAuth`

functions/db/connect.pp

@@ -72,7 +72,7 @@ function icinga2::db::connect(
               'dbname='      => $db['database'],
     })), ' '), '= ', '=', 'G')
   } else {
-    $_password = icinga2::unwrap($db['password'])
+    $_password = unwrap($db['password'])
     $options = join(any2array(delete_undef_values({
             '-h'               => $db['host'] ? {
               /localhost/  => undef,

manifests/feature/idopgsql.pp

@@ -217,7 +217,7 @@
     exec { 'idopgsql-import-schema':
       user        => 'root',
       path        => $facts['path'],
-      environment => [sprintf('PGPASSWORD=%s', icinga2::unwrap($password))],
+      environment => [sprintf('PGPASSWORD=%s', unwrap($password))],
       command     => "psql '${db_cli_options}' -w -f '${ido_pgsql_schema}'",
       unless      => "psql '${db_cli_options}' -w -c 'select version from icinga_dbversion'",
     }

manifests/tls/client.pp

@@ -26,10 +26,10 @@
     $key_mode = '0400'
   }
 
-  if icinga2::unwrap($args[key]) {
+  if unwrap($args[key]) {
     file { $args['key_file']:
       ensure    => file,
-      content   => icinga2::newline(icinga2::unwrap($args['key'])),
+      content   => icinga2::newline(unwrap($args['key'])),
       mode      => $key_mode,
       show_diff => false,
     }