Remove stale task from the Rakefile.

Author: hainesr

Rakefile

@@ -14,10 +14,3 @@ Rake::TestTask.new(:test) do |test|
 end
 
 RuboCop::RakeTask.new
-
-# Rake::TestTask.new(:zip64_full_test) do |test|
-#  test.libs << File.join(File.dirname(__FILE__), 'lib')
-#  test.libs << File.join(File.dirname(__FILE__), 'test')
-#  test.pattern = File.join(File.dirname(__FILE__), 'test/zip64_full_test.rb')
-#  test.verbose = true
-# end