image_uri for some fossils don't work

[avgrad]

There are some fossils of which the image_uri does not work.

To be specific:

• https://acnhapi.com/v1/fossils/pachy_skull -> https://acnhapi.com/v1/images/fossils/plesio_torso
• https://acnhapi.com/v1/fossils/pachy_tail -> https://acnhapi.com/v1/images/fossils/pachy_tail
• https://acnhapi.com/v1/fossils/pachy_skull -> https://acnhapi.com/v1/images/fossils/pachy_skull

[alexislours]

Should be corrected on the server side, thanks for pointing it out!