dev-python/pipenv: remove unused patch

Signed-off-by: Michael Mair-Keimberger <mmk@levelnine.at>
Signed-off-by: Conrad Kostecki <conikost@gentoo.org>

dev-python/pipenv/files/pipenv-2023.11.15-fix-import-path-PackageDAG.patch

@@ -1,28 +0,0 @@
-From b1e69d07afc4f94c6148f4ec65834e341a67b10d Mon Sep 17 00:00:00 2001
-From: Oz Tiram <oz.tiram@gmail.com>
-Date: Thu, 4 Jan 2024 14:59:33 +0100
-Subject: [PATCH 1/2] Fix import path of PackageDAG
-
-pipdeptree moved it in the recent versions.
-
-Signed-off-by: Oz Tiram <oz.tiram@gmail.com>
----
- pipenv/environment.py | 2 +-
- 1 file changed, 1 insertion(+), 1 deletion(-)
-
-diff --git a/pipenv/environment.py b/pipenv/environment.py
-index 26975ce0d..7e0206ade 100644
---- a/pipenv/environment.py
-+++ b/pipenv/environment.py
-@@ -678,7 +678,7 @@ class Environment:
-     def get_package_requirements(self, pkg=None):
-         from itertools import chain
- 
--        from pipdeptree import PackageDAG
-+        from pipdeptree._models import PackageDAG
- 
-         flatten = chain.from_iterable
- 
--- 
-2.41.0
-