Revert "adding rake test subtasks (noop) for git submodule rake compatibility"

This reverts commit 4138fd3626.

Rakefile

@@ -1,12 +1,7 @@
 task :default => :noop
 
 task :noop do
-  puts "** NO-OP task to support 'git submodule' rake comaptibility in jasmine"
+  puts "doing nothing"
-end
-
-namespace :test do
-  task :unit => :noop
-  task :integration => :noop
 end
 
 desc 'Builds lib/jasmine from source'