Remove unzipping
Remove unzipping

It seems that this is no longer needed.

fphilipe/premailer-rails,fphilipe/premailer-rails,controlshift/premailer-rails,doorkeeper/premailer-rails,controlshift/premailer-rails,uswitch/premailer-rails,doorkeeper/premailer-rails,fphilipe/premailer-rails,uswitch/premailer-rails,controlshift/premailer-rails