Revert "econet: switch.sh: if wan port is ae_wan, set wan_port to 0"

This reverts commit 442b82df.

(cherry picked from commit 83e9ba1e)

airoha/base-files/lib/network/switch.sh

@@ -12,9 +12,6 @@ tc3162_eth_portmap() {
 		eth0.[0-9])
 			wan_port=${WANDEV:5}
 		;;
-		ae_wan)
-			wan_port=0
-		;;
 	esac
 
 	if [ "$WANDEV" == "$(cat /sys/module/eth/parameters/wan_itf)" ]; then