Remove trailing whitespace from response_spec
Remove trailing whitespace from response_spec

Signed-off-by: Sam Phippen <e5a09176608998a68778e11d5021c871e8fae93c@googlemail.com>

httprb/http,sferik/http,httprb/http.rb,pezra/http.rb,davidbegin/http,Connorhd/http.rb,moneyadviceservice/http.rb