config: disable Netmap API v14 on 21.7

Status is inconclusive, but to get more data points we have to
see if this changed anything or not.  While there are strange
reports we virtually got no reports about the supposed performance
boost either.

PR: https://forum.opnsense.org/index.php?topic=25750.0

config/21.7/make.conf

@@ -95,7 +95,7 @@ security_openvpn_UNSET=		EASYRSA TEST
 security_strongswan_SET=	EAPRADIUS GCM XAUTH
 security_strongswan_UNSET=	CURL
 security_stunnel_SET=		TLS_LOG_IDENT
-security_suricata_SET=		HYPERSCAN NETMAP_V14 NSS
+security_suricata_SET=		HYPERSCAN NSS
 sysutils_msktutil_SET=		${PRODUCT_GSSAPI}
 www_lighttpd_UNSET=		LUA
 www_nginx_SET=			BROTLI NAXSI MAIL_IMAP MAIL_POP3 NJS VTS