dev-python/routes: remove unused patch

Closes: https://github.com/gentoo/gentoo/pull/2375

Signed-off-by: David Seifert <soap@gentoo.org>

dev-python/routes/files/routes-2.0-setup.py.patch

@@ -1,38 +0,0 @@
-From 414ba660bccd3eed60f63cc8a1d117740065126f Mon Sep 17 00:00:00 2001
-From: Mike Gilbert <floppym@gentoo.org>
-Date: Wed, 25 Dec 2013 10:42:26 -0500
-Subject: [PATCH] Specify encoding when opening files in setup.py
-
-This resolves a UnicodeDecodeError when setup.py is invoked with a
-non-utf8 locale.
-
-https://bugs.gentoo.org/show_bug.cgi?id=495118
----
- setup.py | 8 +++++---
- 1 file changed, 5 insertions(+), 3 deletions(-)
-
-diff --git a/setup.py b/setup.py
-index c76e869..9191f11 100644
---- a/setup.py
-+++ b/setup.py
-@@ -1,12 +1,14 @@
- __version__ = '2.0'
- 
--import os, sys
-+import io, os, sys
- 
- from setuptools import setup, find_packages
- 
- here = os.path.abspath(os.path.dirname(__file__))
--README = open(os.path.join(here, 'README.rst')).read()
--CHANGES = open(os.path.join(here, 'CHANGELOG.rst')).read()
-+with io.open(os.path.join(here, 'README.rst'), encoding='utf8') as f:
-+    README = f.read()
-+with io.open(os.path.join(here, 'CHANGELOG.rst'), encoding='utf8') as f:
-+    CHANGES = f.read()
- PY3 = sys.version_info[0] == 3
- 
- extra_options = {
--- 
-1.8.5.2
-