Update docs image paths and remove outdated images

[discdiver]

Removes clearly outdated images and fixes image paths.

Checklist

• This pull request references any related issue by including "closes <link to issue>"
  • If no issue exists and your change is not a small fix, please create an issue first.
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For documentation changes:

• This pull request includes redirect settings in mint.json for files that are removed or renamed.

For new functions or classes in the Python SDK:

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[billpalombi]

I may have caught a duplicate. Otherwise looks good

[billpalombi]

lgtm