remove 99-default.link file if exists to fix netplan apply

install

@@ -13,7 +13,7 @@
 # https://github.com/armbian/config/blob/master/debian-software
 # https://forum.openmediavault.org/index.php/Thread/25062-Install-OMV5-on-Debian-10-Buster/
 #
-# version: 1.0.4
+# version: 1.0.5
 #
 
 if [[ $(id -u) -ne 0 ]]; then
@@ -374,6 +374,10 @@ fi
 
 # remove networkmanager and dhcpcd5 then configure networkd
 if [ ${version} -gt 4 ]; then
+  defLink="/etc/systemd/network/99-default.link"
+  if [ -f "${defLink}" ]; then
+    rm -f "${defLink}"
+  fi
   nic="eth0"
   if grep -qw "${nic}" /proc/net/dev; then
     echo "Removing network-manager and dhcpcd5 ..."