ath79: remove empty default case in 10_fix_wifi_mac

This removes a useless empty default case.

Signed-off-by: Adrian Schmutzler <[email protected]>

target/linux/ath79/base-files/etc/hotplug.d/ieee80211/10_fix_wifi_mac

@@ -42,6 +42,4 @@ case "$board" in
 		[ "$PHYNBR" -eq 0 ] && \
 			macaddr_add "$(mtd_get_mac_text mac 0x18)" 1 > /sys${DEVPATH}/macaddress
 		;;
-	*)
-		;;
 esac