[openssl/web] d0fa6c: Remove references to the old trademark policy

[Matt Caswell]

  Branch: refs/heads/master
  Home:   https://github.com/openssl/web
  Commit: d0fa6ca7c5e1491d3d4f352ea7103749351f941a
      https://github.com/openssl/web/commit/d0fa6ca7c5e1491d3d4f352ea7103749351f941a
  Author: Matt Caswell <matt at openssl.org>
  Date:   2023-08-04 (Fri, 04 Aug 2023)

  Changed paths:
    M policies/general/dirdata.yaml
    R policies/trademark.md

  Log Message:
  -----------
  Remove references to the old trademark policy

The new trademark policy is live in the general-policies repository and
supercedes the old one. We should remove the old one.

Reviewed-by: Hugo Landau <hlandau at openssl.org>
Reviewed-by: Paul Dale <pauli at openssl.org>
(Merged from https://github.com/openssl/web/pull/417)