libpng12: remove the recipe

It was only in oe-core because of LSB; let's remove it. Current libpng is 1.6.x.

(From OE-Core rev: 839af0eafc39b4d182617925e6ab9299431c8601)

Signed-off-by: Alexander Kanavin <alexander.kanavin@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-extended/packagegroups/packagegroup-core-lsb.bb

@@ -177,7 +177,6 @@ RDEPENDS_packagegroup-core-lsb-core = "\
     ncurses \
     zlib \
     nspr \
-    libpng12 \
     nss \
 "
 

meta/recipes-lsb4/libpng/libpng12_1.2.57.bb

@@ -1,36 +0,0 @@
-SUMMARY = "PNG image format decoding library"
-HOMEPAGE = "http://www.libpng.org/"
-SECTION = "libs"
-LICENSE = "Libpng"
-LIC_FILES_CHKSUM = "file://LICENSE;md5=597b8a91994a3e27ae6aa79bf02677d9 \
-                    file://png.h;beginline=19;endline=109;md5=166406397718925b660f0033f7558ef7"
-DEPENDS = "zlib"
-
-PN = "libpng12"
-S = "${WORKDIR}/libpng-${PV}"
-
-SRC_URI = "${GENTOO_MIRROR}/libpng-${PV}.tar.xz"
-
-SRC_URI[md5sum] = "307052e5e8af97b82b17b64fb1b3677a"
-SRC_URI[sha256sum] = "0f4620e11fa283fedafb474427c8e96bf149511a1804bdc47350963ae5cf54d8"
-
-UPSTREAM_CHECK_URI = "http://sourceforge.net/projects/libpng/files/libpng12/"
-UPSTREAM_CHECK_REGEX = "/libpng12/(?P<pver>(\d+[\.\-_]*)+)/"
-
-BINCONFIG_GLOB = "${PN}-config"
-
-inherit autotools binconfig pkgconfig
-
-do_install_append() {
-	# The follow link files link to corresponding png12*.h and libpng12* files
-	# They conflict with higher verison, so drop them
-	rm ${D}/${includedir}/png.h
-	rm ${D}/${includedir}/pngconf.h
-
-	rm ${D}/${libdir}/libpng.la
-	rm ${D}/${libdir}/libpng.so
-	rm ${D}/${libdir}/libpng.a || true
-	rm ${D}/${libdir}/pkgconfig/libpng.pc
-
-	rm ${D}/${bindir}/libpng-config
-}