Fixes #4764 - remove generated new line in routes.rb on scaffold generation #4765
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As explained in #4764, when destroying a scaffold, routes.rb loses a new line. This seems to happen because a new line is added while generating the route and the destroy generator removes it. However, this causes a problem if the routes file is manually edited to remove such new lines.
This commit just removes that extra new line from added in the first place.