dev-python/jsonpickle: remove unused patches

Closes: https://github.com/gentoo/gentoo/pull/5352

dev-python/jsonpickle/files/0.9.0-drop-broken-backend.patch

@@ -1,11 +0,0 @@
-diff -ur jsonpickle-0.9.0.orig/tests/thirdparty_test.py jsonpickle-0.9.0/tests/thirdparty_test.py
---- tests/thirdparty_test.py	2014-09-08 15:28:09.000000000 +0800
-+++ tests/thirdparty_test.py	2015-02-07 15:55:51.962308731 +0800
-@@ -61,6 +61,7 @@
-     def setUp(self):
-         try:
-             import feedparser
-+            feedparser.PREFERRED_XML_PARSERS.remove('drv_libxml2')
-         except ImportError:
-             if hasattr(self, 'skipTest'):
-                 doit = self.skipTest

dev-python/jsonpickle/files/jsonpickle-0.6.1-drop-brocken-backend.patch

@@ -1,15 +0,0 @@
- tests/thirdparty_tests.py | 1 +
- 1 file changed, 1 insertion(+)
-
-diff --git a/tests/thirdparty_tests.py b/tests/thirdparty_tests.py
-index 6d2d150..f085f57 100644
---- a/tests/thirdparty_tests.py
-+++ b/tests/thirdparty_tests.py
-@@ -60,6 +60,7 @@ class FeedParserTest(unittest.TestCase):
-     def setUp(self):
-         try:
-             import feedparser
-+            feedparser.PREFERRED_XML_PARSERS.remove('drv_libxml2')
-         except ImportError as e:
-             self.fail("feedparser module not available, please install")
-         self.doc = feedparser.parse(RSS_DOC)