[scivee] Remove extractor (#9315)

[scivee] Remove extractor (#9315)

The Wikipedia page is changed from active to down:
https://en.wikipedia.org/w/index.php?title=SciVee&diff=prev&oldid=723161154

Some other interesting bits:

$ nslookup www.scivee.tv
Server:         8.8.8.8
Address:        8.8.8.8#53

Non-authoritative answer:
www.scivee.tv   canonical name = scivee.rcsb.org.
Name:   scivee.rcsb.org
Address: 132.249.231.211

$ nslookup rcsb.org
Server:         8.8.8.8
Address:        8.8.8.8#53

Non-authoritative answer:
Name:   rcsb.org
Address: 132.249.231.77

Both IPs are from UCSD. I guess it's maintained by a lab and they don't
maintain it anymore.