psplash is only expected to run during startup, but if any dependency is
pulled into a transaction and the unit is inactive, then it can be
restarted.
Set RemainAfterExit to ensure that the unit remains active and is not
gratuitously restarted.
Drop the nonexistent systemd-start.service from the unit.
Signed-off-by: Alex Kiernan <alex.kiernan@gmail.com> Acked-by: Otavio Salvador <otavio@ossystems.com.br> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>