Rakefile: remove cruft

Rakefile

@@ -1,10 +1,6 @@
-require 'rubygems'
 require 'rake'
-require 'bundler'
 require 'bundler/gem_tasks'
 
-Dir.glob('lib/tasks/*.rake').each { |r| import r }
-
 begin
   Bundler.setup(:default, :development)
 rescue Bundler::BundlerError => e
@@ -17,24 +13,9 @@ require 'rspec/core/rake_task'
 
 RSpec::Core::RakeTask.new(:spec)
 
-RSpec::Core::RakeTask.new(:rcov) do |spec|
-  spec.libs << 'lib' << 'spec'
-  spec.pattern = 'spec/unit_tests/**/*.rb'
-  spec.rcov = true
-  spec.rcov_opts = %w{--exclude spec\/*,gems\/*,ruby\/* --aggregate coverage.data}
-end
-
 task :clean do
-  puts 'Cleaning old coverage'
-  FileUtils.rm('coverage.data') if(File.exists? 'coverage.data')
-  FileUtils.rm_r('coverage') if(File.exists? 'coverage')
-  puts 'Cleaning .yardoc and doc folders'
-  FileUtils.rm_r('.yardoc') if(File.exists? '.yardoc')
-  FileUtils.rm_r('doc') if(File.exists? 'doc')
   puts 'Cleaning spec/fixtures/target'
   FileUtils.rm_r('spec/fixtures/target') if(File.exists? 'spec/fixtures/target')
-
 end
 
 task :default => [:spec]
-