DB410c: DB820c: remove workaround that used to disable MAC randomization

This is an old workaround for a WCN36xx driver bug that we had on DB410c, which
is fixed in recent kernel (4.14 and beyond).

On DB820c, it was never really needed anyways.

Change-Id: I040d10df37513ced84b16e6ee1043ecc079c11c3
Signed-off-by: Nicolas Dechesne <nicolas.dechesne@linaro.org>
diff --git a/scripts/DB410C/21-customize b/scripts/DB410C/21-customize
index bf49739..e3b7d15 100755
--- a/scripts/DB410C/21-customize
+++ b/scripts/DB410C/21-customize
@@ -1,13 +1,6 @@
 #!/bin/bash
 set -e
 
-if [ -f $target/etc/NetworkManager/NetworkManager.conf ]; then
-   cat << EOF >> $target/etc/NetworkManager/NetworkManager.conf
-[device]
-wifi.scan-rand-mac-address=no
-EOF
-fi
-
 cat << EOF > $target/etc/fstab
 /dev/disk/by-partlabel/rootfs / ext4   rw,relatime,data=ordered 0 1
 EOF
diff --git a/scripts/DB820C/21-customize b/scripts/DB820C/21-customize
index 8fe8b4b..e3a1053 100755
--- a/scripts/DB820C/21-customize
+++ b/scripts/DB820C/21-customize
@@ -1,13 +1,6 @@
 #!/bin/bash
 set -e
 
-if [ -f $target/etc/NetworkManager/NetworkManager.conf ]; then
-   cat << EOF >> $target/etc/NetworkManager/NetworkManager.conf
-[device]
-wifi.scan-rand-mac-address=no
-EOF
-fi
-
 cat << EOF > $target/etc/fstab
 /dev/disk/by-partlabel/userdata / ext4   rw,relatime,data=ordered 0 1
 EOF