Remove borders from cover images
Remove borders from cover images

Why these changes are being introduced:

When it can't find a cover image, Syndetics returns a 1x1 pixel JPEG. We
look for cover images for anything with an ISBN, so the app will often
incorrectly render a 'cover image' (i.e., a 1x1 dot) for books that
don't have one. This results in a weird-looking border surrounding
seemingly nothing.

Relevant ticket(s):

https://mitlibraries.atlassian.net/browse/IMP-2241

How this addresses that need:

Removes the border from cover images.

Side effects of this change:

Cover images no longer have border, so they are very slightly less
prominent.

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