Removed exe/bundle_ruby and its example.

spec/other/major_deprecation_spec.rb

@@ -31,14 +31,6 @@
     bundle! "install"
   end
 
-  describe "bundle_ruby" do
-    it "prints a deprecation" do
-      bundle_ruby
-      warnings.gsub! "\nruby #{RUBY_VERSION}", ""
-      expect(warnings).to have_major_deprecation "the bundle_ruby executable has been removed in favor of `bundle platform --ruby`"
-    end
-  end
-
   describe "Bundler" do
     describe ".clean_env" do
       it "is deprecated in favor of .original_env" do

spec/support/helpers.rb

@@ -174,11 +174,6 @@ def bundler(cmd, options = {})
       bundle(cmd, options)
     end
 
-    def bundle_ruby(options = {})
-      options["bundle_bin"] = bindir.join("bundle_ruby")
-      bundle("", options)
-    end
-
     def ruby(ruby, options = {})
       env = (options.delete(:env) || {}).map {|k, v| "#{k}='#{v}' " }.join
       ruby = ruby.gsub(/["`\$]/) {|m| "\\#{m}" }