Stop exposing defined options from the build object

Library/Homebrew/build_options.rb

@@ -1,8 +1,6 @@
 require 'options'
 
 class BuildOptions
-  include Enumerable
-
   attr_accessor :args
   attr_accessor :universal
 
@@ -16,18 +14,6 @@ class BuildOptions
     @args = other.args.dup
   end
 
-  def empty?
-    @options.empty?
-  end
-
-  def each(*args, &block)
-    @options.each(*args, &block)
-  end
-
-  def as_flags
-    @options.as_flags
-  end
-
   def include? name
     args.include? '--' + name
   end

Library/Homebrew/test/test_build_options.rb

@@ -10,11 +10,6 @@ class BuildOptionsTests < Homebrew::TestCase
     @build = BuildOptions.new(args, opts)
   end
 
-  def test_as_flags
-    assert_equal %w{--with-foo --with-bar --without-baz --without-qux}.sort,
-      @build.as_flags.sort
-  end
-
   def test_include
     assert_includes @build, "with-foo"
     refute_includes @build, "with-qux"