Remove naratives, section titles
Clean up typography
Make module titles bold
Remove failing test

Narrative has been removed from the output, so test is no longer
required.

See b8ab4bfcb8.

We still need to retain the templates, since we have URIs that we expose
which should still respond with something. We may replace those in the
future, but we shouldn't break them.
Merge pull request #44 from alphagov/DI_Improvements

Di improvements