dependency: disable renamed formula warning

Library/Homebrew/dependency.rb

@@ -41,7 +41,7 @@ class Dependency
   end
 
   def to_formula
-    formula = Formulary.factory(name)
+    formula = Formulary.factory(name, warn: false)
     formula.build = BuildOptions.new(options, formula.options)
     formula
   end

Library/Homebrew/test/utils/autoremove_spec.rb

@@ -54,7 +54,7 @@ describe Utils::Autoremove do
     include_context "with formulae for dependency testing"
 
     before do
-      allow(Formulary).to receive(:factory).with("three").and_return(formula_is_build_dep)
+      allow(Formulary).to receive(:factory).with("three", { warn: false }).and_return(formula_is_build_dep)
     end
 
     context "when formulae are bottles" do