dev-python/flask: remove unused patch(es)

Signed-off-by: Michael Mair-Keimberger <m.mairkeimberger@gmail.com>
Signed-off-by: Aaron Bauman <bman@gentoo.org>

dev-python/flask/files/flask-1.1.1-py38.patch

@@ -1,38 +0,0 @@
-commit c367a86cc5be70da4928b276d0218f98df6e854d
-Author: Fernanda Guimarães <fernandaguimaraes28@gmail.com>
-Date:   Mon Oct 28 21:37:25 2019 -0300
-
-    Test test_send_from_directory_bad_request no longer fails in Python 3.8.
-
-diff --git a/tests/test_helpers.py b/tests/test_helpers.py
-index 78a56221..21735af1 100644
---- a/tests/test_helpers.py
-+++ b/tests/test_helpers.py
-@@ -11,6 +11,7 @@
- import datetime
- import io
- import os
-+import sys
- import uuid
- 
- import pytest
-@@ -780,12 +781,17 @@ class TestSendfile(object):
-         assert rv.data.strip() == b"Hello Subdomain"
-         rv.close()
- 
--    def test_send_from_directory_bad_request(self, app, req_ctx):
-+    def test_send_from_directory_null_character(self, app, req_ctx):
-         app.root_path = os.path.join(
-             os.path.dirname(__file__), "test_apps", "subdomaintestmodule"
-         )
- 
--        with pytest.raises(BadRequest):
-+        if sys.version_info >= (3, 8):
-+            exception = NotFound
-+        else:
-+            exception = BadRequest
-+
-+        with pytest.raises(exception):
-             flask.send_from_directory("static", "bad\x00")
- 
-