netfilter: remove nf_tproxy_core references

nf_tproxy_core was removed during 3.12 development with kernel commit
fd158d79d33d3c8b693e3e2d8c0e3068d529c2dc. The code was moved
to xt_TPROXY.c.

Fixes FS#212

Signed-off-by: Mathias Kresin <dev@kresin.me>

package/kernel/linux/modules/netfilter.mk

@@ -457,12 +457,11 @@ define KernelPackage/ipt-tproxy
   TITLE:=Transparent proxying support
   DEPENDS+=+kmod-ipt-conntrack +IPV6:kmod-ip6tables
   KCONFIG:= \
-  	CONFIG_NETFILTER_TPROXY \
   	CONFIG_NETFILTER_XT_MATCH_SOCKET \
   	CONFIG_NETFILTER_XT_TARGET_TPROXY
   FILES:= \
   	$(foreach mod,$(IPT_TPROXY-m),$(LINUX_DIR)/net/$(mod).ko)
-  AUTOLOAD:=$(call AutoProbe,$(notdir nf_tproxy_core $(IPT_TPROXY-m)))
+  AUTOLOAD:=$(call AutoProbe,$(notdir $(IPT_TPROXY-m)))
   $(call AddDepends/ipt)
 endef