wolfssl: remove now deprecated compatibility code
Mainly that NO_X509_CHECK_HOST is causing certificate validation issues
in some setups:
root@OpenWrt:/# wget https://www.google.com
Downloading 'https://www.google.com'
Connecting to 172.217.23.196:443
Connection error: Server hostname does not match SSL certificate
but instead of spending time on fixing it, I've simply decided to remove
it as we're now on wolfSSL 4.5.0 and those symbols should be avaialable
so no symbol detection and handling should be needed anymore.
Signed-off-by: Petr Štetiar <ynezz@true.cz>