update profile

Author: fvalle1

files/researchers.json

@@ -34,8 +34,6 @@
         "socials": {
             "mail": "filippo.valle@unito.it",
             "github":"https://github.com/fvalle1",
-            "bluesky": "https://bsky.app/profile/pixelfed.fvalle.online",
-            "pixelfed": "https://pixelfed.uno/i/portfolio/filippo_valle",
             "linkedin": "https://www.linkedin.com/in/filippo-valle/",
             "publications": "https://orcid.org/0000-0003-3577-8667",
             "personal-page": "https://fvalle.online"