[openwrt/openwrt] bcm53xx: remove useless echo in 02_network

[LEDE Commits]

adrian pushed a commit to openwrt/openwrt.git, branch master:
https://git.openwrt.org/b1f6a5d9dffd8da30800e9e66ea772554bbba778

commit b1f6a5d9dffd8da30800e9e66ea772554bbba778
Author: Adrian Schmutzler <freifunk at adrianschmutzler.de>
AuthorDate: Mon Aug 17 23:16:58 2020 +0200

    bcm53xx: remove useless echo in 02_network
    
    The output is already produced in the inner $() brackets, no need
    to catch and echo it again.
    
    Signed-off-by: Adrian Schmutzler <freifunk at adrianschmutzler.de>
---
 target/linux/bcm53xx/base-files/etc/board.d/02_network | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/target/linux/bcm53xx/base-files/etc/board.d/02_network b/target/linux/bcm53xx/base-files/etc/board.d/02_network
index b3d614d6a2..6774e5bf46 100755
--- a/target/linux/bcm53xx/base-files/etc/board.d/02_network
+++ b/target/linux/bcm53xx/base-files/etc/board.d/02_network
@@ -55,8 +55,8 @@ bcm53xx_setup_interfaces()
 		# vlan2ports=4 5u
 		# and early Netgear R8000 was using
 		# vlan1ports=3 2 1 0 5 7 8*
-		vlan1ports="$(echo $(nvram get vlan1ports | tr " " "\n" | sort))"
-		vlan2ports="$(echo $(nvram get vlan2ports | tr " " "\n" | sort))"
+		vlan1ports="$(nvram get vlan1ports | tr " " "\n" | sort)"
+		vlan2ports="$(nvram get vlan2ports | tr " " "\n" | sort)"
 		if echo "$vlan1ports" | egrep -q "^1 2 3 4 5" && \
 		   echo "$vlan2ports" | egrep -q "^0 5"; then
 			ucidef_add_switch "switch0" \