oxnas: kill old oxnas target

Signed-off-by: Daniel Golle <daniel@makrotopia.org>

target/linux/oxnas/base-files/init.d/set-irq-affinity

@@ -1,22 +0,0 @@
-#!/bin/sh /etc/rc.common
-
-START=99
-
-get_irq() {
-	local name="$1"
-	grep -m 1 "$name" /proc/interrupts | cut -d: -f1 | sed 's, *,,'
-}
-
-set_irq_affinity() {
-	local name="$1"
-	local val="$2"
-	local irq="$(get_irq "$name")"
-	[ -n "$irq" ] || return
-	echo "$val" > "/proc/irq/$irq/smp_affinity"
-}
-
-start() {
-	set_irq_affinity ehci_hcd 2
-	set_irq_affinity xhci_hcd 2
-	set_irq_affinity sata 2
-}