Remove unused patch

See b20f65587a

0001-Remove-outdated-comment-about-Click-3.0.patch

@@ -1,24 +0,0 @@
-From 4fa671b4afdde8e103a03b39dcdc66e1a10a16fa Mon Sep 17 00:00:00 2001
-From: Adam Dangoor <adamdangoor@gmail.com>
-Date: Mon, 31 Jul 2017 17:58:41 +0100
-Subject: [PATCH 1/3] Remove outdated comment about Click 3.0
-
----
- click/core.py | 1 -
- 1 file changed, 1 deletion(-)
-
-diff --git a/click/core.py b/click/core.py
-index 7456451..18fa9a5 100644
---- a/click/core.py
-+++ b/click/core.py
-@@ -68,7 +68,6 @@ def invoke_param_callback(callback, ctx, param, value):
-     args = getattr(code, 'co_argcount', 3)
- 
-     if args < 3:
--        # This will become a warning in Click 3.0:
-         from warnings import warn
-         warn(Warning('Invoked legacy parameter callback "%s".  The new '
-                      'signature for such callbacks starting with '
--- 
-2.14.2
-