Removing watchdog and reset

Removing watchdog and firmware reset as a preparations for the
migrations to rpmsg.

Change-Id: Ic1053e3f4301ecadbde8c59dbaed437625a0a5ea
diff --git a/kernel/ethosu_capabilities.c b/kernel/ethosu_capabilities.c
index d5f77f2..9735ee2 100644
--- a/kernel/ethosu_capabilities.c
+++ b/kernel/ethosu_capabilities.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2022 Arm Limited.
+ * Copyright 2022-2023 Arm Limited and/or its affiliates
  *
  * This program is free software and is provided to you under the terms of the
  * GNU General Public License version 2 as published by the Free Software
@@ -58,19 +58,6 @@
 	complete(&cap->done);
 }
 
-static int ethosu_capabilities_resend(struct ethosu_mailbox_msg *msg)
-{
-	struct ethosu_capabilities *cap =
-		container_of(msg, typeof(*cap), msg);
-
-	/* Don't resend request if response has already been received */
-	if (completion_done(&cap->done))
-		return 0;
-
-	/* Resend request */
-	return ethosu_capabilities_send(cap);
-}
-
 void ethosu_capability_rsp(struct ethosu_device *edev,
 			   struct ethosu_core_msg_capabilities_rsp *rsp)
 {
@@ -126,7 +113,6 @@
 	cap->uapi = uapi;
 	init_completion(&cap->done);
 	cap->msg.fail = ethosu_capabilities_fail;
-	cap->msg.resend = ethosu_capabilities_resend;
 
 	ret = ethosu_mailbox_register(&cap->edev->mailbox, &cap->msg);
 	if (ret < 0)