Remove crufty files after minimize-manual

minimize-manual would be creating those files again, and other
parts may be creating them, so best to do the cleanup at the
very end.

LP: #1826377

debian/changelog

@@ -1,3 +1,9 @@
+livecd-rootfs (2.542.2) UNRELEASED; urgency=medium
+
+  * Remove crufty files after minimize-manual (LP: #1826377)
+
+ -- Julian Andres Klode <juliank@ubuntu.com>  Thu, 25 Apr 2019 11:50:45 +0200
+
 livecd-rootfs (2.542.1) cosmic; urgency=medium
 
   [ Cody Shepherd ]

live-build/auto/build

@@ -259,9 +259,6 @@ EOF
 			apt-get -y --purge autoremove"
 	fi
 
-	# remove crufty files that shouldn't be left in an image
-	rm -f chroot/var/cache/debconf/*-old chroot/var/lib/dpkg/*-old
-	Chroot chroot apt clean
 	if [ "${PROJECT}:${SUBPROJECT:-}" = "ubuntu-base:minimized" ]; then
 		# Save even more size by removing apt lists (that are currently removed
 		# downstream anyway)
@@ -452,6 +449,10 @@ EOF
 
 	/usr/share/livecd-rootfs/minimize-manual chroot
 
+	# remove crufty files that shouldn't be left in an image
+	rm -f chroot/var/cache/debconf/*-old chroot/var/lib/dpkg/*-old
+	Chroot chroot apt clean
+
 	lb binary "$@"
 	touch binary.success
 ) 2>&1 | tee binary.log