[BZ 1082805] Simplify the upgrade options for the data migration. Only allow to run the data migration. For a fine control over the upgrade process prompt the users to the migration tool directly.
(cherry picked from commit ba48a62061609115f1a6c254b01da5922ea787dc)

Signed-off-by: John Mazzitelli <mazz@redhat.com>
[BZ 1082805] Simplify the upgrade options for the data migration. Remove more undeeded code.
(cherry picked from commit 61bf3de37978e90ad796ac6ab5ce71e6c13c190d)

Signed-off-by: John Mazzitelli <mazz@redhat.com>