python3Packages.python3-saml: drop already applied patches

It still won't pass tests, but I don't think it makes sense to keep
these patches anyway.

pkgs/development/python-modules/python3-saml/default.nix

@@ -1,7 +1,6 @@
 { lib
 , buildPythonPackage
 , fetchFromGitHub
-, fetchpatch
 , freezegun
 , isodate
 , lxml
@@ -23,26 +22,6 @@ buildPythonPackage rec {
     hash = "sha256-KyDGmqhg/c29FaXPKK8rWKSBP6BOCpKKpOujCavXUcc=";
   };
 
-  patches = [
-    # skip tests with expired test data
-    # upstream issue: https://github.com/SAML-Toolkits/python3-saml/issues/373
-    (fetchpatch {
-      name = "test-expired.patch";
-      url = "https://github.com/SAML-Toolkits/python3-saml/commit/bd65578e5a21494c89320094c61c1c77250bea33.diff";
-      hash = "sha256-9Trew6R5JDjtc0NRGoklqMVDEI4IEqFOdK3ezyBU6gI=";
-    })
-    (fetchpatch {
-      name = "test-expired.patch";
-      url = "https://github.com/SAML-Toolkits/python3-saml/commit/ea3a6d4ee6ea0c5cfb0f698d8c0ed25638150f47.patch";
-      hash = "sha256-Q9+GM+mCEZK0QVp7ulH2hORVig2411OvkC4+o36DeXg=";
-    })
-    (fetchpatch {
-      name = "test-expired.patch";
-      url = "https://github.com/SAML-Toolkits/python3-saml/commit/feb0d1d954ee4d0ad1ad1d7d536bf9e83fa9431b.patch";
-      hash = "sha256-NURGI4FUnFlWRZfkioU9IYmZ+Zk9FKfZchjdn7N9abU=";
-    })
-  ];
-
   propagatedBuildInputs = [
     isodate
     lxml