nghttp2: move to packages.git

As the package curl has been moved to packages.git and only libcurl
depends on libnghttps move it as well to packages.git.
This is based on the Hamburg  2019 decision that non essential packages
should move outside base.

Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>

package/libs/nghttp2/Makefile

@@ -1,44 +0,0 @@
-include $(TOPDIR)/rules.mk
-
-PKG_NAME:=nghttp2
-PKG_VERSION:=1.41.0
-PKG_RELEASE:=1
-
-PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
-PKG_SOURCE_URL:=https://github.com/nghttp2/nghttp2/releases/download/v$(PKG_VERSION)
-PKG_HASH:=abc25b8dc601f5b3fefe084ce50fcbdc63e3385621bee0cbfa7b57f9ec3e67c2
-
-PKG_LICENSE:=MIT
-PKG_LICENSE_FILES:=COPYING
-CMAKE_INSTALL:=1
-
-include $(INCLUDE_DIR)/package.mk
-include $(INCLUDE_DIR)/cmake.mk
-
-define Package/libnghttp2
-  SECTION:=libs
-  CATEGORY:=Libraries
-  TITLE:=Library implementing the framing layer of HTTP/2
-  MAINTAINER:=Hans Dedecker <dedeckeh@gmail.com>
-  ABI_VERSION:=14
-endef
-
-define Package/libnghttp2/description
- C library implementing the framing layer of the HTTP/2 protocol. It can be used to build a HTTP/2-capable HTTP client or server
-endef
-
-CMAKE_OPTIONS += \
-        -DENABLE_LIB_ONLY=ON
-
-define Build/InstallDev
-	$(call Build/InstallDev/cmake,$(1))
-	$(SED) 's,/usr/include,$$$${prefix}/include,g' $(1)/usr/lib/pkgconfig/libnghttp2.pc
-	$(SED) 's,/usr/lib,$$$${prefix}/lib,g' $(1)/usr/lib/pkgconfig/libnghttp2.pc
-endef
-
-define Package/libnghttp2/install
-	$(INSTALL_DIR) $(1)/usr/lib
-	$(CP) $(PKG_INSTALL_DIR)/usr/lib/libnghttp2.so.* $(1)/usr/lib
-endef
-
-$(eval $(call BuildPackage,libnghttp2))