chickernel_defconfig: disable support for syncookies

* Syncookies can degrade performance under certain scenarios, and interfere with TCP exensions/features

* Typically, android devices are not targeted by SYN flood attacks, and are often behind a firewall and NAT devices, making this feature less-useful.

Signed-off-by: chickendrop89 <chickendrop89@gmail.com>

arch/arm64/configs/chickernel_defconfig

@@ -177,7 +177,6 @@ CONFIG_IP_MULTIPLE_TABLES=y
 CONFIG_NET_IPIP=y
 CONFIG_NET_IPGRE_DEMUX=y
 CONFIG_NET_IPGRE=y
-CONFIG_SYN_COOKIES=y
 CONFIG_NET_IPVTI=y
 CONFIG_INET_ESP=y
 CONFIG_INET_UDP_DIAG=y