Revert "debian: Fix containerd shim v2 shutdown"

This reverts commit a22ff43fc09b55eeb3ee3aec1526ac0a9edca31f.

The behavior is no longer required with the submission of:
c1b1d85a93

Change-Id: Ia723f5dbcbd20fda7af4f3d15032db9b63204d67

kubernetes/containerd/debian/patches/0003-Fix-containerd-shutdown-shim-v2.patch

@@ -1,28 +0,0 @@
-From b99170f7253066b85fb319e0f7a6efed4876d18d Mon Sep 17 00:00:00 2001
-From: Charles Short <charles.short@windriver.com>
-Date: Thu, 2 Jun 2022 10:43:05 -0400
-Subject: [PATCH] Fix containerd shutdown shim-v2
-
-Fix the container-shim shutdown on debian.
-
-Signed-off-by: Charles Short <charles.short@windriver.com>
----
- containerd.service | 2 +-
- 1 file changed, 1 insertion(+), 1 deletion(-)
-
-diff --git a/containerd.service b/containerd.service
-index e4c082b..ffb1698 100644
---- a/containerd.service
-+++ b/containerd.service
-@@ -23,7 +23,7 @@ ExecStart=/usr/local/bin/containerd
- 
- Type=notify
- Delegate=yes
--KillMode=process
-+KillMode=mixed
- Restart=always
- RestartSec=5
- # Having non-zero Limit*s causes performance problems due to accounting overhead
--- 
-2.25.1
-

kubernetes/containerd/debian/patches/series

@@ -1,3 +1,2 @@
 0001-revert-to-v1.4.11.patch
 0002-customize-containerd-for-StarlingX.patch
-0003-Fix-containerd-shutdown-shim-v2.patch