Updated list of SWIFT contributors to reflect reality

data/contact.yaml

 people: [
-  Dr. Pedro Gonnet,
   Dr. Matthieu Schaller,
-  Mr. Aidan Chalk,
+  Dr. Pedro Gonnet,
+  Dr. Aidan Chalk,
   Mr. James S. Willis,
-  Mr. Angus Lepper,
-  Dr. John A. Regan,
-  Mr. Stefan Arridge,
-  Pr. Tom Theuns,
-  Pr. Richard G. Bower,
   Dr. Peter Draper,
-  Dr. Lydia Heck,
-  Dr. Tobias Weinzierl,
-  Dr. Stephen McGough,
-  Pr. Georgios Theodoropoulos,
+  Pr. Richard G. Bower,
+  Dr. Bert Vandenbroucke,
+  Mr. Stefan Arridge,
   Mr. Joshua Borrow,
-]
\ No newline at end of file
+  Pr. Tom Theuns,
+  Dr. Yves Revaz,
+  Mr. Loic Hausammann,
+  Mr. Angus Lepper,
+  Dr. John A. Regan,
+]