Remove the pipenv package

I no longer use pipenv in any of my projects as i switched to poetry.

configuration.org

@@ -2737,18 +2737,6 @@ Maybe add ∉ for ~not in~ later, if possible.
    ("<C-return>" . nil)))  ; I really don’t like the C-RET functionality of ElPy
 #+END_SRC
 
-** PipEnv
-
-Because it’s great.
-
-#+BEGIN_SRC emacs-lisp
-(use-package pipenv
-  :hook
-  (python-mode . pipenv-mode)
-  :custom
-  (pipenv-projectile-after-switch-function #'pipenv-projectile-after-switch-extended))
-#+END_SRC
-
 ** Poetry
 
 Because it’s also great.