Remove duplicate declaration of mercurial package

modules/filtermaster/manifests/repo_download.pp

 # == Type: filtermaster::repo_download
 #
 # Manage filter list download source repositories for aggregation.
 #
 # === Parameters:
 #
 # [*target*]
 #   An optional alias for use as the download resource name, allows for
 #   repositories with different names. Note that this option is recognized
 #   only when setup via hiera('filtermaster::repo_downloads')!
 #
 # [*static_files*]
 #   Files to include in the synchronization of download resources without
 #   prior aggregation, if any. Note that option is recognized only when
 #   setup via hiera('filtermaster::repo_downloads') as well!
 #
 # === Examples:
 #
 #   filtermaster::repo_download {'exceptionrules':
 #     alias => 'exceptions',
 #   }
 #
 define filtermaster::repo_download (
   $target = $title,
   $static_files = [],
 ) {
 
+  include adblockplus::mercurial
+
   $directory = "/home/rsync/subscription/$title"
   $repository = "https://hg.adblockplus.org/$title"
 
-  ensure_packages(['mercurial'])
-
   exec {"filtermaster::repo_download#$title":
     command => shellquote('hg', 'clone', $repository, $directory),
     onlyif => shellquote('test', '!', '-d', $directory),
     path => ['/usr/local/bin', '/usr/bin', '/bin'],
     require => Package['mercurial'],
     timeout => 0,
     user => 'rsync',
   }
 
   file {"$directory/.hg/hgrc":
     content => template('filtermaster/hgrc.erb'),
     owner => 'rsync',
     require => Exec["filtermaster::repo_download#$title"],
   }
 }