Comment 110 for bug 1845801

the origin change was in
'''
commit 9dadfd82504afa114b39e508e4580cb0212468ea (tag: pkg/import/2.00-20)
Author: Colin Watson <email address hidden>
Date: Thu Nov 14 10:49:31 2013 +0000

+ Set vt.handoff=7 for smooth handoff to kernel graphical mode.
'''

https://git.launchpad.net/~hugh712/ubuntu/+source/grub2/commit/?h=ubuntu/devel&id=9dadfd82504afa114b39e508e4580cb0212468ea

then it's been changed in bionic as:
'''
commit db84c3cc6faa4750d12c451f7a0c20560d0893bd
Author: Mathieu Trudel-Lapierre <email address hidden>
Date: Fri Feb 9 16:30:45 2018 -0500

Add configure option to use vt.handoff=1
'''
https://git.launchpad.net/~hugh712/ubuntu/+source/grub2/commit/?h=bionic&id=c9b225dd94935e17dc8196dcaea524d4897bef4d