remove the workaround for bug #1893818

subiquity now contains a version of curtin that can cope with the
partition nodes for a multipathed disk going away

debian/changelog

@@ -1,3 +1,10 @@
+livecd-rootfs (2.721) UNRELEASED; urgency=medium
+
+  * Remove the workaround for bug #1919420 as subiquity now contains a version
+    of curtin that has the necessary fix.
+
+ -- Michael Hudson-Doyle <michael.hudson@ubuntu.com>  Wed, 05 May 2021 13:53:25 +1200
+
 livecd-rootfs (2.720) impish; urgency=medium
 
   [ Thomas Bechtold ]

live-build/ubuntu-server/hooks/032-installer-squashfs.binary

@@ -75,11 +75,6 @@ chroot $INSTALLER_ROOT apt-get clean
 # "helpful" casper script that mounts any swap partitions it finds.
 rm -f $INSTALLER_ROOT/usr/share/initramfs-tools/scripts/casper-bottom/*swap
 
-# For bug #1893818 "Several blockprobe errors if trying to install the
-# groovy daily live on LPAR", remove a udev rule that removes
-# partition nodes for multipathed disks that breaks the installer.
-rm -f $INSTALLER_ROOT/lib/udev/rules.d/68-del-part-nodes.rules
-
 # Preseed subiquity into installer layer
 snap_prepare $INSTALLER_ROOT
 snap_preseed $INSTALLER_ROOT subiquity/classic