Merge autopkgtest-cloud:drop-virtiorng-blist into autopkgtest-cloud:master

[Brian Murray]

We should have made this change a bit ago i.e. right when the bug was fixed.

[Brian Murray (brian-murray)]

I cowboy'ed this removal on the autopkgtest-cloud-workers.

[Paride Legovini (paride)]

LGTM, thanks

review: Approve

diff --git a/charms/focal/autopkgtest-cloud-worker/autopkgtest-cloud/worker-config-production/setup-canonical.sh b/charms/focal/autopkgtest-cloud-worker/autopkgtest-cloud/worker-config-production/setup-canonical.sh
index d23f658..c6d401c 100644
--- a/charms/focal/autopkgtest-cloud-worker/autopkgtest-cloud/worker-config-production/setup-canonical.sh
+++ b/charms/focal/autopkgtest-cloud-worker/autopkgtest-cloud/worker-config-production/setup-canonical.sh
@@ -19,14 +19,6 @@ EOF
     . /etc/rc.local
 fi
 
-# work around hung tasks timeout w/ virtio_rng (LP: #1989258)
-if grep -q kinetic /etc/lsb-release; then
-    if [ "$(uname -m)" = x86_64 ] && ! grep -q 'GRUB_CMDLINE_LINUX=.*module_blacklist=virtio_rng' /etc/default/grub; then
-        sed -i '/GRUB_CMDLINE_LINUX=/ s/="\(.*\)"$/="\1 module_blacklist=virtio_rng"/' /etc/default/grub
-        update-grub
-    fi
-fi
-
 # work around broken tty on ppc64el instances (LP: #1607075)
 if [ "$(uname -m)" = ppc64le ] && [ "$(systemctl is-active keyboard-setup.service 2>/dev/null|| true)" = failed ]; then
     systemctl reset-failed keyboard-setup.service