jansson: drop jansson

jansson is now part of openwrt core so drop it from packages feed.

Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>

libs/jansson/Makefile

@@ -1,52 +0,0 @@
-#
-# Copyright (C) 2011-2017 OpenWrt.org
-#
-# This is free software, licensed under the GNU General Public License v2.
-# See /LICENSE for more information.
-#
-
-include $(TOPDIR)/rules.mk
-
-PKG_NAME:=jansson
-PKG_VERSION:=2.12
-PKG_RELEASE:=1
-PKG_LICENSE:=MIT
-
-PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.bz2
-PKG_SOURCE_URL:=http://www.digip.org/jansson/releases/
-PKG_HASH:=645d72cc5dbebd4df608d33988e55aa42a7661039e19a379fcbe5c79d1aee1d2
-
-PKG_INSTALL:=1
-PKG_BUILD_PARALLEL:=1
-
-include $(INCLUDE_DIR)/package.mk
-
-define Package/jansson
-  SECTION:=libs
-  CATEGORY:=Libraries
-  TITLE:=Jansson library
-  URL:=http://www.digip.org/jansson/
-  MAINTAINER:=Gergely Kiss <mail.gery@gmail.com>
-endef
-
-define Package/jansson/description
-  Jansson is a C library for encoding, decoding and manipulating JSON data
-endef
-
-TARGET_CFLAGS += $(FPIC)
-TARGET_LDFLAGS += -Wl,-rpath-link=$(STAGING_DIR)/usr/lib -lm
-
-define Build/InstallDev
-	$(INSTALL_DIR) $(1)/usr/{lib,include}
-	$(INSTALL_DIR) $(1)/usr/lib/pkgconfig
-	$(CP) $(PKG_INSTALL_DIR)/usr/lib/libjansson* $(1)/usr/lib
-	$(CP) $(PKG_INSTALL_DIR)/usr/lib/pkgconfig/* $(1)/usr/lib/pkgconfig
-	$(CP) $(PKG_INSTALL_DIR)/usr/include/* $(1)/usr/include/
-endef
-
-define Package/jansson/install
-	$(INSTALL_DIR) $(1)/usr/lib
-	$(CP) $(PKG_INSTALL_DIR)/usr/lib/libjansson*so* $(1)/usr/lib/
-endef
-
-$(eval $(call BuildPackage,jansson))