ipvs: Remove unused variable "cs" from ip_vs_leave function.

This is to address the following warning during compilation time:

net/netfilter/ipvs/ip_vs_core.c: In function ‘ip_vs_leave’:
net/netfilter/ipvs/ip_vs_core.c:532: warning: unused variable ‘cs’

This variable is indeed no longer in use.

Signed-off-by: Krzysztof Wilczynski <[e-mail]>
Signed-off-by: Simon Horman <[e-mail]>

net/netfilter/ipvs/ip_vs_core.c

···
 	   a cache_bypass connection entry */
 	ipvs = net_ipvs(net);
 	if (ipvs->sysctl_cache_bypass && svc->fwmark && unicast) {
-		int ret, cs;
+		int ret;
 		struct ip_vs_conn *cp;
 		unsigned int flags = (svc->flags & IP_VS_SVC_F_ONEPACKET &&
 				      iph.protocol == IPPROTO_UDP)?