system: drop IPv6 depend for systemd

The option is a non-option now and will be removed.

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/systemd/Config.in

@@ -11,7 +11,6 @@ config BR2_PACKAGE_SYSTEMD
 	bool "systemd"
 	depends on BR2_INIT_SYSTEMD
 	depends on BR2_USE_WCHAR # util-linux
-	depends on BR2_INET_IPV6
 	depends on !BR2_STATIC_LIBS # kmod
 	depends on BR2_TOOLCHAIN_HAS_THREADS # dbus
 	depends on BR2_USE_MMU # dbus

system/Config.in

@@ -81,7 +81,6 @@ config BR2_INIT_SYSTEMD
 	depends on BR2_PACKAGE_SYSTEMD_ARCH_SUPPORTS
 	depends on BR2_TOOLCHAIN_USES_GLIBC
 	depends on BR2_USE_WCHAR
-	depends on BR2_INET_IPV6
 	depends on BR2_TOOLCHAIN_HAS_THREADS
 	depends on BR2_TOOLCHAIN_HAS_SSP
 	depends on BR2_USE_MMU