tasks: replace os_identification with facts

the facts task is vendored into bolt. It supports gathering facts from
systems with and without facter installed.

Author: bastelfreak

Diff for: plans/util/retrieve_and_upload.pp

@@ -29,8 +29,8 @@
     |-HEREDOC
     # lint:endignore
 
-$operating_system = run_task('peadm::os_identification', 'local://localhost')
-$os_string =$operating_system.first.value['_output']
+$operating_system = run_task('facts', 'local://localhost')
+$os_string =$operating_system.first.value['os']['family']
 
 if 'windows' in $os_string {
   $exists = run_command("[System.IO.File]::Exists('${local_path}')", 'local://localhost')

Diff for: spec/plans/util/retrieve_and_upload_spec.rb

@@ -5,7 +5,7 @@
   include BoltSpec::Plans
 
   it 'file needs downloaded and needs uploaded' do
-    expect_task('peadm::os_identification')
+    expect_task('facts')
     expect_command("test -e '/tmp/download'").error_with('kind' => 'nope', 'msg' => 'The command failed with exit code 1')
     expect_task('peadm::download')
     expect_task('peadm::filesize').be_called_times(2).return_for_targets(