Specifications page: make the table look like the original site

[chalin]

Change the specifications table to look like this (with only two columns) -- from https://in-toto.io/specs/:

rather than what it currently is:

[DarikshaAnsari]

You have given this review here in this discussion.

[chalin]

Right, but if you look closely, my comment was made over the data file, not the rendering of the table in the page. Do you see that now?