Sphinx 2.0 is more strict on enforcing proper format for the specified
code type. This resulted in a few warnings due to JSON code blocks not
being valid JSON. This cleans up a few cases that were not properly
formatted.
Closes-bug: #1822891
Change-Id: Id6fa50b759add5d2286b98f1752a7ff92bf0515d
Signed-off-by: Sean McGinnis <sean.mcginnis@gmail.com>