fix: move CONFIG_SECCOMP to generally necessary category in check-config command

contrib/util/check-config.sh

@@ -386,7 +386,7 @@ fi
 flags="
   NAMESPACES NET_NS PID_NS IPC_NS UTS_NS
   CGROUPS CGROUP_PIDS CGROUP_CPUACCT CGROUP_DEVICE CGROUP_FREEZER CGROUP_SCHED CPUSETS MEMCG
-  KEYS
+  SECCOMP KEYS
   VETH BRIDGE BRIDGE_NETFILTER
   IP_NF_FILTER IP_NF_TARGET_MASQUERADE IP_NF_TARGET_REJECT
   NETFILTER_XT_MATCH_ADDRTYPE NETFILTER_XT_MATCH_CONNTRACK NETFILTER_XT_MATCH_IPVS NETFILTER_XT_MATCH_COMMENT NETFILTER_XT_MATCH_MULTIPORT
@@ -406,9 +406,6 @@ echo 'Optional Features:'
   check_flags USER_NS
   check_distro_userns
 }
-{
-  check_flags SECCOMP
-}
 # {
 #   check_flags MEMCG_SWAP MEMCG_SWAP_ENABLED
 #   if [ -e /sys/fs/cgroup/memory/memory.memsw.limit_in_bytes ]; then