tre-python: rm since it's no revdep and still uses py2 only

dev-python/tre-python/Manifest

@@ -1 +0,0 @@
-DIST tre-0.8.0.tar.bz2 380714 SHA256 8dc642c2cde02b2dac6802cdbe2cda201daf79c4ebcbb3ea133915edf1636658 SHA512 db7465993e0d25eee8e52f974427b8a040234cf0f017769eb94ee88bc6261821336aad7f762bfa82db7e2212d8449bc221592586f061c528a59a550773cbc263 WHIRLPOOL 97146f193c828ce16d76fb6e181d5b91f5a26e1ebf73b0f17374b6826da471ec2f160cf640607cb00cbf217367dcf426b86159cbd229fed5801d09a3e39c923d

dev-python/tre-python/files/0.8.0-python.patch

@@ -1,26 +0,0 @@
-diff --git a/python/setup.py b/python/setup.py
-index b420a4c..b1bca6b 100644
---- a/python/setup.py
-+++ b/python/setup.py
-@@ -10,7 +10,8 @@ import shutil
- 
- version = "0.8.0"
- data_files = []
--include_dirs = ["../lib"]
-+include_dirs = ["lib"]
-+library_dirs = ["lib/.libs"]
- libraries = ["tre"]
- 
- if sys.platform == "win32":
-@@ -28,9 +29,10 @@ setup(name = "tre",
-       url = "http://laurikari.net/tre/",
-       data_files = data_files,
-       ext_modules = [Extension("tre",
--                               sources = ["tre-python.c"],
-+                               sources = ["tre-python.c"],
-                                define_macros = [("HAVE_CONFIG_H", None)],
-                                include_dirs = include_dirs,
-+			       library_dirs = library_dirs,
-                                libraries = libraries
-                                ),
-                      ],

dev-python/tre-python/tre-python-0.8.0.ebuild

@@ -1,26 +0,0 @@
-# Copyright 1999-2017 Gentoo Foundation
-# Distributed under the terms of the GNU General Public License v2
-
-EAPI=6
-
-PYTHON_COMPAT=( python2_7 )
-DISTUTILS_SINGLE_IMPL=1
-
-inherit distutils-r1 eutils
-
-DESCRIPTION="Python bidings for TRE library"
-HOMEPAGE="http://laurikari.net/tre/ https://github.com/laurikari/tre/"
-SRC_URI="http://laurikari.net/tre/tre-${PV}.tar.bz2"
-
-LICENSE="BSD-2"
-SLOT="0"
-KEYWORDS="alpha amd64 hppa ia64 ppc ppc64 sparc x86 ~x86-fbsd ~x86-freebsd ~amd64-linux ~x86-linux ~x86-solaris"
-
-RDEPEND="dev-libs/tre"
-DEPEND="${RDEPEND}"
-
-S="${WORKDIR}/tre-${PV}/python"
-
-python_prepare() {
-	epatch "${FILESDIR}"/${PV}-python.patch
-}