www/nginx-devel: update 1.25.1 -> 1.25.2 (+)

Remove or update legacy post-patch targets.

<Changelog>

*) Feature: path MTU discovery when using HTTP/3.

*) Feature: TLS_AES_128_CCM_SHA256 cipher suite support when using

HTTP/3.

*) Change: now nginx uses appname "nginx" when loading OpenSSL

configuration.

*) Change: now nginx does not try to load OpenSSL configuration if the

--with-openssl option was used to built OpenSSL and the OPENSSL_CONF
environment variable is not set.

*) Bugfix: in the $body_bytes_sent variable when using HTTP/3.

*) Bugfix: in HTTP/3.

</Changelog>