Remove copyright-headers

This is EOL, and broken on modern Rubies due to bad syntax, and needs replacement with something else.

Author: chadlwilson

Gemfile

@@ -3,6 +3,4 @@ source 'https://rubygems.org'
 
 gemspec
 
-gem "copyright-header", "1.0.22", :platform => :mri, :group => :copyright
-
 # vim: syntax=Ruby

Rakefile

@@ -39,23 +39,4 @@ task :specs do
   Dir['spec/**/*_spec.rb'].each { |f| require f.sub(/spec\//, '') }
 end
 
-task :headers do
-  require 'copyright_header'
-
-  s = Gem::Specification.load( Dir["*gemspec"].first )
-
-  args = {
-    :license => s.license, 
-    :copyright_software => s.name,
-    :copyright_software_description => s.description,
-    :copyright_holders => s.authors,
-    :copyright_years => [Time.now.year],
-    :add_path => "lib:src",
-    :output_dir => './'
-  }
-
-  command_line = CopyrightHeader::CommandLine.new( args )
-  command_line.execute
-end
-
 # vim: syntax=Ruby