Don't always say "Patching"

Library/Homebrew/formula.rb

@@ -116,7 +116,7 @@ class Formula
   #   }
   # The final option is to return DATA, then put a diff after __END__. You
   # can still return a Hash with DATA as the value for a patch level key.
-  def patches; [] end
+  def patches; end
   # sometimes the clean process breaks things, return true to skip anything
   def skip_clean? path; false end
   # rarely, you don't want your library symlinked into the main prefix