Remove conditional text for Apache2 linking exception

Remove conditional text for Apache2 linking exception

With the reimplementation of the tls-export feature and removal/approval
or being trivial of the rest of the code, now all the code falls under
new license. Remove the conditional text of the license to be only valid
for parts of OpenVPN.

Change-Id: Ia9c5453dc08679ffb73a275ddd4f28095ff1c1f8
Acked-by: dazo <dazo@eurephia.org>
Message-Id: <20240118135530.3911-1-gert@greenie.muc.de>
URL: https://www.mail-archive.com/openvpn-devel@lists.sourceforge.net/msg28077.html
Signed-off-by: Gert Doering <gert@greenie.muc.de>