APP zip package placed in lib now can be unzip into vendor

APP zip package placed in lib now can be unzip into vendor,however
server can not restart

vendor/plugins/NewBlog/NewBlog.gemspec

@@ -1,23 +0,0 @@
-$:.push File.expand_path("../lib", __FILE__)
-
-# Maintain your gem's version:
-require "NewBlog/version"
-
-# Describe your gem and declare its dependencies:
-Gem::Specification.new do |s|
-  s.name        = "NewBlog"
-  s.version     = NewBlog::VERSION
-  s.authors     = ["TODO: Your name"]
-  s.email       = ["TODO: Your email"]
-  s.homepage    = "TODO"
-  s.summary     = "TODO: Summary of NewBlog."
-  s.description = "TODO: Description of NewBlog."
-
-  s.files = Dir["{app,config,db,lib}/**/*"] + ["MIT-LICENSE", "Rakefile", "README.rdoc"]
-  s.test_files = Dir["test/**/*"]
-
-  s.add_dependency "rails", "~> 3.1.0.rc6"
-  # s.add_dependency "jquery-rails"
-
-  #s.add_development_dependency "sqlite3"
-end