dev-python/pyxattr: remove unused patch

Closes: https://github.com/gentoo/gentoo/pull/2363

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

dev-python/pyxattr/files/pyxattr-0.5.1-test-bytes.patch

@@ -1,19 +0,0 @@
-commit ea7421018090b7099c5e0a6bd88180f41ebb7bce
-Author: Mike Gilbert <floppym@gentoo.org>
-Date:   Fri Dec 21 16:33:18 2012 -0500
-
-    Python 2.5 can't parse byte literals, so use bytes() instead.
-
-diff --git a/test/test_xattr.py b/test/test_xattr.py
-index 8df00b9..0bca576 100644
---- a/test/test_xattr.py
-+++ b/test/test_xattr.py
-@@ -12,7 +12,7 @@ from xattr import NS_USER, XATTR_CREATE, XATTR_REPLACE
- 
- if sys.hexversion >= 0x03000000:
-     PY3K = True
--    EMPTY_NS = b''
-+    EMPTY_NS = bytes()
- else:
-     PY3K = False
-     EMPTY_NS = ''