The Codebase hosting service had a bug that stripped the final trailing
newline. We had to work around this by adding a trailing newline on our
end, which could cause problems with diffs. It seems that this bug is
now fixed, so we need to remove the workaround we've added in order to
prevent new problems from occurring.

Unit tests pass.
Tested manually against some real-world API results, which now all seem

to have the trailing newline.