libsigcxx: Remove

It's no longer needed with libtorrent. No other package depends on it.

Signed-off-by: Rosen Penev <rosenp@gmail.com>

libs/libsigc++/Makefile

@@ -1,65 +0,0 @@
-#
-# Copyright (C) 2006-2015 OpenWrt.org
-#
-# This is free software, licensed under the GNU General Public License v2.
-# See /LICENSE for more information.
-#
-
-include $(TOPDIR)/rules.mk
-
-PKG_NAME:=libsigc++
-PKG_VERSION:=2.10.2
-PKG_RELEASE:=1
-
-PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
-PKG_SOURCE_URL:=@GNOME/libsigc++/2.10
-PKG_HASH:=b1ca0253379596f9c19f070c83d362b12dfd39c0a3ea1dd813e8e21c1a097a98
-
-PKG_MAINTAINER:=Rosen Penev <rosenp@gmail.com>
-PKG_LICENSE:=LGPL-3.0-or-later
-PKG_LICENSE_FILES:=COPYING
-
-PKG_INSTALL:=1
-PKG_BUILD_PARALLEL:=1
-
-include $(INCLUDE_DIR)/package.mk
-
-define Package/libsigcxx
-  SECTION:=libs
-  CATEGORY:=Libraries
-  TITLE:=typesafe callback system for standard C++
-  URL:=https://libsigcplusplus.github.io/libsigcplusplus/
-  DEPENDS:=+libstdcpp
-endef
-
-define Package/libsigcxx/description
- It allows you to define signals and to connect those signals to any
- callback function, either global or a member function, regardless of
- whether it is static or virtual.
-endef
-
-CONFIGURE_ARGS += \
-	--enable-shared \
-	--enable-static \
-	--disable-benchmark \
-	--disable-documentation \
-	--disable-deprecated-api \
-	--disable-warnings \
-	--without-boost
-
-define Build/InstallDev
-	$(INSTALL_DIR) $(1)/usr/include
-	$(CP) $(PKG_INSTALL_DIR)/usr/include/sigc++-2.0 $(1)/usr/include/
-	$(INSTALL_DIR) $(1)/usr/lib
-	$(CP) $(PKG_INSTALL_DIR)/usr/lib/libsigc-2.0.{a,so*} $(1)/usr/lib/
-	$(CP) $(PKG_INSTALL_DIR)/usr/lib/sigc++-2.0 $(1)/usr/lib/
-	$(INSTALL_DIR) $(1)/usr/lib/pkgconfig
-	$(CP) $(PKG_INSTALL_DIR)/usr/lib/pkgconfig/sigc++-2.0.pc $(1)/usr/lib/pkgconfig/
-endef
-
-define Package/libsigcxx/install
-	$(INSTALL_DIR) $(1)/usr/lib
-	$(CP) $(PKG_INSTALL_DIR)/usr/lib/libsigc-2.0.so.* $(1)/usr/lib/
-endef
-
-$(eval $(call BuildPackage,libsigcxx))