Update team images on about us page

[AnthonyRollins]

Update staff images on About Us page

Remove:

• Machiko

Add:

• John
• Scott C
• Christine

Update:

• Laney

We are still waiting for the watercolor images for John, Scott C., and Christine.

All images are here: https://drive.google.com/drive/u/0/folders/15cCKqnyWWqOmPmC9e-UClRRbg8bYmYT6