Revert "kmod-ipv6 => @IPV6."

This reverts commit bcaa87776f.

Caused circular dependencies; reverted for now. (kmod-ipv6 explicit
dependencies _should_ be eliminated though, but this is clearly not
the way.)

alfred/Makefile

@@ -28,7 +28,7 @@ define Package/alfred
   SECTION:=net
   CATEGORY:=Network
   TITLE:=A.L.F.R.E.D. - Almighty Lightweight Fact Remote Exchange Daemon
-  DEPENDS:= +libc +@IPV6 +librt \
+  DEPENDS:= +libc +kmod-ipv6 +librt \
 	  +ALFRED_NEEDS_lua:lua \
 	  +ALFRED_NEEDS_libgps:libgps
 endef

cjdns/Makefile

@@ -38,7 +38,7 @@ define Package/cjdns
 	TITLE:=Encrypted near-zero-conf mesh routing protocol
 	URL:=https://github.com/hyperboria/cjdns
 	MAINTAINER:=Lars Gierth <larsg@systemli.org>
-	DEPENDS:=+kmod-tun +@IPV6 +libnl-tiny +libpthread +librt \
+	DEPENDS:=+kmod-tun +kmod-ipv6 +libnl-tiny +libpthread +librt \
 		+libuci-lua +lua-bencode +dkjson +luasocket +lua-sha2
 endef
 

nat46/Makefile

@@ -37,11 +37,11 @@ define Package/464xlat
 endef
 
 define KernelPackage/nat46
-  DEPENDS:=+@IPV6
+  DEPENDS:=+kmod-ipv6
   TITLE:=Stateless NAT46 translation kernel module
   SECTION:=kernel
   SUBMENU:=Network Support
-  FILES:=$(PKG_BUILD_DIR)/nat46/modules/nat46.ko
+  FILES:=$(PKG_BUILD_DIR)/nat46/modules/nat46.ko 
   AUTOLOAD:=$(call AutoLoad,33,nat46)
 endef
 

ndppd/Makefile

@@ -32,7 +32,7 @@ define Package/ndppd
   TITLE:=NDP Proxy Daemon
   URL:=http://www.priv.nu/projects/ndppd/
   MAINTAINER:=Gabriel Kerneis <gabriel@kerneis.info>
-  DEPENDS:=+@IPV6 $(CXX_DEPENDS)
+  DEPENDS:=+kmod-ipv6 $(CXX_DEPENDS)
 endef
 
 define Package/ndppd/description