recipes: remove blacklisted recipes

* as PNBLACKLIST message says, these recipes are blacklisted for long
  time and nobody showed any interest to fix them
* remove all unused .patch and .inc files as well

Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>

meta-networking/recipes-protocols/accel-ppp/accel-ppp_git.bb

@@ -1,45 +0,0 @@
-SUMMARY = "ACCEL-PPP is a high performance VPN server application for linux"
-HOMEPAGE = "http://sourceforge.net/apps/trac/accel-ppp/wiki"
-SECTION = "net"
-
-LICENSE = "GPLv2"
-LIC_FILES_CHKSUM = "file://COPYING;md5=eb723b61539feef013de476e68b5c50a"
-
-DEPENDS = "openssl libpcre"
-
-inherit cmake
-
-PR = "r1"
-PV = "1.7.3+git"
-
-SRCREV = "4acfa46c321a344b9a6ce4128e72d1e02828d8a0"
-SRC_URI = "git://accel-ppp.git.sourceforge.net/gitroot/accel-ppp/accel-ppp;branch=1.7"
-
-S = "${WORKDIR}/git"
-
-EXTRA_OECMAKE = " \
-                 -DBUILD_DRIVER=FALSE \
-                 -DCMAKE_INSTALL_PREFIX=${prefix} \
-                 -DCMAKE_BUILD_TYPE=Release \
-                 -DLOG_PGSQL=FALSE \
-                 -DRADIUS=FALSE \
-                 -DNETSNMP=FALSE \
-"
-FILES_${PN}-dbg += "/usr/lib/${BPN}/.debug/*"
-
-PACKAGES =+ "${PN}-libs"
-FILES_${PN}-libs = "${libdir}/${BPN}/*.so /usr/lib/${BPN}/*.so"
-INSANE_SKIP_${PN}-libs = "dev-so"
-RDEPENDS_${PN} += "${PN}-libs"
-
-do_install_prepend() {
-    cmlist=`find ${S} -name CMakeLists.txt`
-    for file in $cmlist; do
-        sed -i -e "s:LIBRARY DESTINATION lib/accel-ppp:LIBRARY DESTINATION ${baselib}/accel-ppp:g" \
-               -e "s:\${CMAKE_INSTALL_PREFIX}/lib/accel-ppp:\${CMAKE_INSTALL_PREFIX}/${baselib}/accel-ppp:g" \
-               $cmlist
-    done
-}
-
-# http://errors.yoctoproject.org/Errors/Details/81003/
-PNBLACKLIST[accel-ppp] ?= "BROKEN: fails to build with new binutils-2.27 - the recipe will be removed on 2017-09-01 unless the issue is fixed"