Do not add version component to repo definition

Author: weastur

manifests/repo/apt_postgresql_org.pp

@@ -17,7 +17,7 @@
   -> apt::source { 'apt.postgresql.org':
     location => $_baseurl,
     release  => "${facts['os']['distro']['codename']}-pgdg",
-    repos    => "main ${postgresql::repo::version}",
+    repos    => 'main',
     key      => {
       id     => 'B97B0AFCAA1A47F044F244A07FCC7D46ACCC4CF8',
       source => 'https://www.postgresql.org/media/keys/ACCC4CF8.asc',