Remove ARGF handling

Author: khasinski

lib/dependency_parser/ruby/parse.rb

@@ -29,6 +29,3 @@ def self.valid_gemfile?(content)
     end
   end
 end
-
-content = ARGF.read
-puts DependencyParser::Ruby::Parse.new(content).call if DependencyParser::Ruby::Parse.valid_gemfile?(content)