Remove a line for "require 'bundler/setup'".

Because it has already been loaded by Bundler.

test/helper.rb

@@ -12,8 +12,6 @@ Encoding.default_external = "UTF-8" if defined? Encoding
 
 RUBY_ENGINE = 'ruby' unless defined? RUBY_ENGINE
 
-require 'bundler'
-require 'bundler/setup'
 require 'rack'
 
 testdir = File.dirname(__FILE__)

test/indifferent_hash_test.rb

@@ -2,7 +2,6 @@
 #
 # We don't need the full test helper for this standalone class.
 #
-require 'bundler/setup'
 require 'minitest/autorun' unless defined?(Minitest)
 
 require_relative '../lib/sinatra/indifferent_hash'