Mark Beierl authored May 03, 2021 and sousaedu committed May 07, 2021

With the only supported UI being the NG-UI, and approval from
the TSC, the Light UI is being completely removed from the
build process and installers.

Change-Id: I9a0c099fedcac411a0e31dce4bf64895d1092a37
Signed-off-by: beierlm <mark.beierl@canonical.com>