Remove the unneeded patch

pytest-no-cov.patch

@@ -1,10 +0,0 @@
-diff -U3 -r setuptools-49.6.0-orig/pytest.ini setuptools-49.6.0/pytest.ini
---- setuptools-49.6.0-orig/pytest.ini	2020-08-20 14:51:59.289846443 +0200
-+++ setuptools-49.6.0/pytest.ini	2020-08-20 14:52:34.089859558 +0200
-@@ -1,5 +1,5 @@
- [pytest]
--addopts=--doctest-modules --flake8 --doctest-glob=pkg_resources/api_tests.txt --cov -r sxX
-+addopts=--doctest-modules --doctest-glob=pkg_resources/api_tests.txt -r sxX
- norecursedirs=dist build *.egg setuptools/extern pkg_resources/extern pkg_resources/tests/data tools .* setuptools/_vendor pkg_resources/_vendor
- doctest_optionflags=ELLIPSIS ALLOW_UNICODE
- filterwarnings =

python-setuptools.spec

@@ -28,9 +28,6 @@ License:        MIT and (BSD or ASL 2.0)
 URL:            https://pypi.python.org/pypi/%{srcname}
 Source0:        %{pypi_source %{srcname} %{version} zip}
 
-# Do not run coverage and lint as part of the test suite
-Patch0:         pytest-no-cov.patch
-
 BuildArch:      noarch
 
 BuildRequires:  gcc