Revert "chomp does not work on windows."

This reverts commit 3e94e2b11d.

Reviewed-by: Frederik Wedel-Heinen <fwh.openssl@gmail.com>
Reviewed-by: Saša Nedvědický <sashan@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/26374)

util/perl/TLSProxy/Proxy.pm

@@ -297,8 +297,7 @@ sub start
     # Process the output from s_server until we find the ACCEPT line, which
     # tells us what the accepting address and port are.
     while (<$sout>) {
-        print;
-        s/\R$//; # chomp does not work on windows.
+        chomp;
         next unless (/^ACCEPT\s.*:(\d+)$/);
         $self->{server_port} = $1;
         last;