Remove ARGV_WITHOUT_MONKEY_PATCHING

Our usage of `ARGV` will go away soon enough and maintaining state
between `ARGV` and `ARGV_WITHOUT_MONKEY_PATCHING` is futile.

Fixes #7397

Library/Homebrew/cli/args.rb

@@ -13,7 +13,7 @@ module Homebrew
         super
 
         self[:remaining] = []
-        self[:cmdline_args] = ARGV_WITHOUT_MONKEY_PATCHING.dup
+        self[:cmdline_args] = ARGV.dup.freeze
 
         @args_parsed = false
         @processed_options = []

Library/Homebrew/global.rb

@@ -40,7 +40,6 @@ require "cli/args"
 require "messages"
 require "system_command"
 
-ARGV_WITHOUT_MONKEY_PATCHING = ARGV.dup.freeze
 ARGV.extend(HomebrewArgvExtension)
 
 HOMEBREW_PRODUCT = ENV["HOMEBREW_PRODUCT"]