Revert "Always pass an Options instance to the BuildOptions constructor"

This reverts commit e143bcef259ca76b2124e6e73bd9bdf872418723.

Closes Homebrew/homebrew#31557.
Closes Homebrew/homebrew#31559.
Closes Homebrew/homebrew#31561.
Closes Homebrew/homebrew#31562.

Library/Homebrew/build_options.rb

@@ -4,7 +4,7 @@ class BuildOptions
   attr_accessor :universal
 
   def initialize(args, options)
-    @args = args
+    @args = Options.coerce(args)
     @options = options
   end
 

Library/Homebrew/software_spec.rb

@@ -34,7 +34,7 @@ class SoftwareSpec
     @bottle_specification = BottleSpecification.new
     @patches = []
     @options = Options.new
-    @build = BuildOptions.new(Options.coerce(ARGV.options_only), options)
+    @build = BuildOptions.new(ARGV.options_only, options)
   end
 
   def owner= owner

Library/Homebrew/test/test_build_options.rb

@@ -3,8 +3,10 @@ require 'build_options'
 
 class BuildOptionsTests < Homebrew::TestCase
   def setup
-    args = Options.coerce(%w(--with-foo --with-bar --without-qux))
-    opts = Options.coerce(%w(--with-foo --with-bar --without-baz --without-qux))
+    args = %w{--with-foo --with-bar --without-qux}
+    opts = Options.new
+    opts << Option.new("with-foo") << Option.new("with-bar")
+    opts << Option.new("without-baz") << Option.new("without-qux")
     @build = BuildOptions.new(args, opts)
   end