move Pier to alumni

Author: nlharris

_data/operations.yml

@@ -198,16 +198,6 @@ members:
   name: Paul Fabry
   orcid: 0000-0002-3336-2476
   wikidata: Q108555457
-- affiliation:
-    name: Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
-    ror: 032e6b942
-  country: Germany
-  github: pbuttigieg
-  groups:
-  - outreach
-  name: Pier Luigi Buttigieg
-  orcid: 0000-0002-4366-3088
-  wikidata: Q41566750
 - affiliation:
     name: La Jolla Institute for Immunology, La Jolla, CA
     ror: 05vkpd318