Convert tests to use plain rspec-puppet

Tests in the new style produces the following documentation output:

abs
  should not eq nil
  should run abs() and raise an Puppet::ParseError
  should run abs(-34) and return 34
  should run abs("-34") and return 34
  should run abs(34) and return 34
  should run abs("34") and return 34

1 files changed, 0 insertions, 30 deletions

diff --git a/spec/classes/anchor_spec.rb b/spec/classes/anchor_spec.rb
deleted file mode 100755
index 2d4455e..0000000
--- a/spec/classes/anchor_spec.rb
+++ /dev/null
@@ -1,30 +0,0 @@
-#! /usr/bin/env ruby -S rspec
-require 'spec_helper'
-require 'puppet_spec/compiler'
-
-describe "anchorrefresh" do
-  include PuppetSpec::Compiler
-
-  let :transaction do
-    apply_compiled_manifest(<<-ANCHORCLASS)
-      class anchored {
-        anchor { 'anchored::begin': }
-        ~> anchor { 'anchored::end': }
-      }
-
-      class anchorrefresh {
-        notify { 'first': }
-        ~> class { 'anchored': }
-        ~> anchor { 'final': }
-      }
-
-      include anchorrefresh
-    ANCHORCLASS
-  end
-
-  it 'propagates events through the anchored class' do
-    resource = transaction.resource_status('Anchor[final]')
-
-    expect(resource.restarted).to eq(true)
-  end
-end