revert buggy SCSI error handler commit

this causes kernel OOPS and upstream is unresponsive about it.

see https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1726519

patches/kernel/0002-bridge-keep-MAC-of-first-assigned-port.patch

@@ -1,7 +1,7 @@
 From d9166325bf8b4d5a4c7aeb6a15c30c90ffc28347 Mon Sep 17 00:00:00 2001
 From: =?UTF-8?q?Fabian=20Gr=C3=BCnbichler?= <f.gruenbichler@proxmox.com>
 Date: Thu, 14 Sep 2017 11:02:18 +0200
-Subject: [PATCH 002/241] bridge: keep MAC of first assigned port
+Subject: [PATCH 002/242] bridge: keep MAC of first assigned port
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