home-assistant: drop patch that ignores OSErrors in hass fixture

I doesn't seem to be needed anymore. I built all tests and didn't
experience any failures that could've been prevent by it.

pkgs/servers/home-assistant/default.nix

@@ -158,7 +158,6 @@ in python.pkgs.buildPythonApplication rec {
       src = ./patches/ffmpeg-path.patch;
       ffmpeg = "${lib.getBin ffmpeg}/bin/ffmpeg";
     })
-    ./patches/tests-ignore-OSErrors-in-hass-fixture.patch
   ];
 
   postPatch = let

pkgs/servers/home-assistant/patches/tests-ignore-OSErrors-in-hass-fixture.patch

@@ -1,27 +0,0 @@
-From 3e3f5c37252a33ea1e71c39f2ca0f13940c261ad Mon Sep 17 00:00:00 2001
-From: Martin Weinelt <hexa@darmstadt.ccc.de>
-Date: Sat, 17 Jul 2021 16:11:23 +0200
-Subject: [PATCH] tests: ignore OSErrors in hass fixture
-
-The nix sandbox will cause OSErrors due to limitations imposed on
-network interaction. This change makes it so we forgive these cases.
----
- tests/conftest.py | 2 ++
- 1 file changed, 2 insertions(+)
-
-diff --git a/tests/conftest.py b/tests/conftest.py
-index 1f5ffc80d0..b284727a0f 100644
---- a/tests/conftest.py
-+++ b/tests/conftest.py
-@@ -168,6 +168,8 @@ def hass(loop, load_registries, hass_storage, request):
-             continue
-         if isinstance(ex, ServiceNotFound):
-             continue
-+        if isinstance(ex, OSError):
-+            continue
-         raise ex
- 
- 
--- 
-2.32.0
-