[dev-python/python-slip] drop because we use upstream version

dev-python/python-slip/Manifest

@@ -1 +0,0 @@
-DIST python-slip-0.2.9.tar.bz2 22017 SHA256 8e2d78af1c94599559d8396c67eae27f6899bee6f4f7ad33e2470cac677ac898

dev-python/python-slip/python-slip-0.2.9.ebuild

@@ -1,28 +0,0 @@
-# Copyright 1999-2010 Gentoo Foundation
-# Distributed under the terms of the GNU General Public License v2
-# $Header: $
-
-EAPI="3"
-
-PYTHON_DEPEND="2"
-inherit python distutils
-
-DESCRIPTION="The Simple Library for Python packages"
-HOMEPAGE="https://fedorahosted.org/python-slip/"
-SRC_URI="https://fedorahosted.org/released/${PN}/${P}.tar.bz2"
-
-LICENSE="GPL-2"
-SLOT="0"
-KEYWORDS="~amd64 ~x86"
-IUSE="gtk selinux"
-# TODO: split package?
-RDEPEND="selinux? ( sys-libs/libselinux )
-	dev-python/dbus-python
-	|| ( sys-auth/polkit sys-auth/policykit )
-	dev-python/decorator
-	gtk? ( dev-python/pygtk )"
-
-src_compile() {
-	emake || die "cannot run make"
-	distutils_src_compile
-}