[openssl/web] 7f6add: remove Activision from supporter list

[Pauli]

  Branch: refs/heads/master
  Home:   https://github.com/openssl/web
  Commit: 7f6add066d080727dcb7e436a3ced35a40119311
      https://github.com/openssl/web/commit/7f6add066d080727dcb7e436a3ced35a40119311
  Author: Pauli <pauli at openssl.org>
  Date:   2023-09-20 (Wed, 20 Sep 2023)

  Changed paths:
    M support/acks.md

  Log Message:
  -----------
  remove Activision from supporter list

Reviewed-by: Matt Caswell <matt at openssl.org>
(Merged from https://github.com/openssl/web/pull/422)