Remove erroneous data from vircadia-builder

[Colorfingers]

Should we remove this from the metadata... these links are broke...

`

$fork_name running on Linux Mint 19.3 https://docs.vircadia.com/_images/29th_september_interface_linux.jpg

<screenshot>
  <caption>Maker Meeting on the "El Papa Viejo"</caption>
  <image>https://docs.vircadia.com/_images/el_papa_viejo.jpg</image>
</screenshot>
<screenshot>
  <caption>Dale Glass speaking at the Developer Meeting</caption>
  <image>https://docs.vircadia.com/_images/vircadia-snap-by-RyanLi-on-2020-09-20_02-45-59.jpg</image>
</screenshot>
<screenshot>
  <caption>Mannequin army</caption>
  <image>https://docs.vircadia.com/_images/vircadia-snap-by-Revofire-on-2020-08-13_17-21-43.jpg</image>
</screenshot>

`

[Colorfingers]

Wrong... they are working.