Drop Instagram and TikTok

Suggested-by: Stefan van der Walt <stefanv@berkeley.edu>
Co-Authored-By: Stefan van der Walt <45071+stefanv@users.noreply.github.com>

Author: agriyakhetarpal

doc/config.yaml

@@ -68,10 +68,6 @@ params:
         icon: bluesky
       - link: https://linkedin.com/company/scientific-python
         icon: linkedin
-      - link: https://tiktok.com/@scientific.python
-        icon: tiktok
-      - link: https://instagram.com/scientific.python
-        icon: instagram
 
     quicklinks:
       column1: