netfilter: fix bogus reference to `kmod-nf-conntrack-timeout`

Fix bogus reference to kmod-nf-conntrack-timeout, fixing the warning
`WARNING: Makefile 'package/kernel/linux/Makefile' has a dependency on
'kmod-nf-conntrack-timeout', which does not exist`.

Fixes: 0e2dcfc4f488 ("netfilter: add kmod-nfnetlink-ct{helper,timeout}")
Signed-off-by: Joel Low <[email protected]>
Link: https://github.com/openwrt/openwrt/pull/17388
Signed-off-by: Robert Marko <[email protected]>
(cherry picked from commit 74354fb463ba19b25b913a0bd0d8a021655cb2fa)

package/kernel/linux/modules/netfilter.mk

@@ -1069,7 +1069,7 @@ define KernelPackage/nfnetlink-cttimeout
   FILES:=$(LINUX_DIR)/net/netfilter/nfnetlink_cttimeout.ko
   KCONFIG:=CONFIG_NF_CT_NETLINK_TIMEOUT
   AUTOLOAD:=$(call AutoProbe,nfnetlink_cttimeout)
-  $(call AddDepends/nfnetlink,+kmod-nf-conntrack +kmod-nf-conntrack-timeout @KERNEL_NF_CONNTRACK_TIMEOUT)
+  $(call AddDepends/nfnetlink,+kmod-nf-conntrack @KERNEL_NF_CONNTRACK_TIMEOUT)
 endef
 
 define KernelPackage/nfnetlink-cttimeout/description