ARGV: Deprecate ARGV.ignore_deps?

Library/Homebrew/build.rb

@@ -22,7 +22,7 @@ class Build
     @formula = formula
     @formula.build = BuildOptions.new(options, formula.options)
 
-    if ARGV.ignore_deps?
+    if Homebrew.args.ignore_deps?
       @deps = []
       @reqs = []
     else

Library/Homebrew/extend/ARGV.rb

@@ -47,10 +47,6 @@ module HomebrewArgvExtension
     include?("--no-sandbox") || !ENV["HOMEBREW_NO_SANDBOX"].nil?
   end
 
-  def ignore_deps?
-    include? "--ignore-dependencies"
-  end
-
   def build_stable?
     !(include?("--HEAD") || include?("--devel"))
   end