Change indentation of linter descriptions

Now that each linter has a heading, they no longer need to be indented
as bullet points.

Change-Id: I493e5cebeefb45f3ac736277c70852792ef2b5bf
Reviewed-on: https://gerrit.causes.com/33623
Tested-by: jenkins <jenkins@causes.com>
Reviewed-by: Shane da Silva <shane@causes.com>