Remove calling of Question::Date#to with a date argument
Remove calling of Question::Date#to with a date argument

We're not calling Question::Date#to with a date argument so we can simplify the
method implementation.

stwalsh/smart-answers,aledelcueto/smart-answers,alphagov/smart-answers,stwalsh/smart-answers,stwalsh/smart-answers,stwalsh/smart-answers,alphagov/smart-answers,aledelcueto/smart-answers,alphagov/smart-answers,alphagov/smart-answers,aledelcueto/smart-answers,aledelcueto/smart-answers