How Do You Remove the Social Icons From the Product Page?

You will need to take this provided CSS code and add it to the CSS section of your Theme Settings.

.share-this{display:none;}

Here's how to apply the code: 

1. Login to your admin
2. Go to Storefront CMS 
3. CMS Features
4. Theme Settings
5. Custom CSS tab
6. Copy the code in blue above and paste it at the top or bottom of the "Global Custom CSS Code" box. 
7. Save/Update Layout 
8. Go to your storefront, refresh, and the 3 default images will be removed