ci(default-lxd): try with canonical/setup-lxd action +cleaning

.github/workflows/default-lxd.yml

@@ -1,6 +1,5 @@
 ---
 name: default-lxd
-# trigger
 
 on:
   push:
@@ -89,15 +88,10 @@ jobs:
           ## check network
           ifconfig -a || true
           ip addr || true
-          # https://documentation.ubuntu.com/lxd/en/latest/howto/network_bridge_firewalld/#prevent-connectivity-issues-with-lxd-and-docker
-          sudo ip link delete docker0
-          ip addr || true
           sudo lxc info
           sudo lxc network list
-          sudo lxc network create lxdbr0
           sudo lxc network show lxdbr0
           cat /etc/default/lxd-bridge || true
-          sudo service lxd-bridge restart || true
           ps ax | grep dnsmasq
           systemctl status -l --no-pager lxd || true
           cat /etc/network/interfaces.d/50-cloud-init.cfg || true