Revert "miniupnpd: introduce IGDv1 variant"

Since version 2.2.3, miniupnpd will detect MS clients and force IGDv1.

This reverts commit 7f5534a.

net/miniupnpd/Makefile

@@ -26,7 +26,7 @@ PKG_BUILD_PARALLEL:=1
 include $(INCLUDE_DIR)/package.mk
 include $(INCLUDE_DIR)/version.mk
 
-define Package/miniupnpd/Default
+define Package/miniupnpd
   SECTION:=net
   CATEGORY:=Network
   DEPENDS:= \
@@ -43,42 +43,23 @@ define Package/miniupnpd/Default
   URL:=https://miniupnp.tuxfamily.org/
 endef
 
-define Package/miniupnpd
-  $(call Package/miniupnpd/Default)
-  TITLE+= (IGDv2)
-  CONFLICTS:=miniupnpd-igdv1
-  VARIANT:=igdv2
-endef
-
-define Package/miniupnpd-igdv1
-  $(call Package/miniupnpd/Default)
-  TITLE+= (IGDv1)
-  PROVIDES:=miniupnpd
-  VARIANT:=igdv1
-endef
-
 define Package/miniupnpd/conffiles
 /etc/config/upnpd
 endef
 
-Package/miniupnpd-igdv1/conffiles = $(Package/miniupnpd/conffiles)
-
 define Build/Prepare
 	$(call Build/Prepare/Default)
 	echo "$(VERSION_NUMBER)" | tr '() ' '_' >$(PKG_BUILD_DIR)/os.openwrt
 endef
 
 CONFIGURE_ARGS = \
 	$(if $(CONFIG_IPV6),--ipv6) \
+	--igd2 \
 	--leasefile \
 	--portinuse \
 	--firewall=iptables \
 	--disable-fork
 
-ifeq ($(BUILD_VARIANT),igdv2)
-	CONFIGURE_ARGS += --igd2
-endif
-
 TARGET_CFLAGS += $(FPIC) -flto
 TARGET_LDFLAGS += -Wl,--gc-sections,--as-needed
 
@@ -98,7 +79,4 @@ define Package/miniupnpd/install
 	$(INSTALL_DATA) ./files/firewall.include $(1)/usr/share/miniupnpd/firewall.include
 endef
 
-Package/miniupnpd-igdv1/install = $(Package/miniupnpd/install)
-
 $(eval $(call BuildPackage,miniupnpd))
-$(eval $(call BuildPackage,miniupnpd-igdv1))