netbase: Remove persistency MAC script

The machine uses the 'net-persistent-mac' package to provide this
feature and this script were forgot to be removed when moving to
it. While on that, updates the bbapend version to follow OE-Core
upgrade.

Change-Id: I0ef64c4ccec70dfe3e0e038e83abb823b2d2a1a6
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>

recipes-core/netbase/netbase/imx233-olinuxino-maxi/00-persistent-mac

@@ -1,22 +0,0 @@
-#!/bin/sh
-
-set -e
-
-mac_file="/var/lib/mac/mac.$IFACE"
-
-# Store MAC for reuse
-mkdir -p /var/lib/mac
-if [ ! -r "$mac_file" ]; then
-    echo "Storing MAC for $IFACE for future use." > /dev/stderr
-    cat /sys/class/net/usb0/address > "$mac_file"
-    exit 0
-fi
-
-# Restore MAC setting
-stored=`cat "$mac_file"`
-current=`cat /sys/class/net/usb0/address`
-
-if [ "$current" != "$stored" ]; then
-    echo "Setting back to old MAC."
-    ifconfig $IFACE hw ether $stored
-fi

recipes-core/netbase/netbase_5.1.bbappend

@@ -1,3 +1 @@
 FILESEXTRAPATHS_prepend := "${THISDIR}/netbase:"
-
-PRINC := "${@int(PRINC) + 1}"