lirc-tools: remove non-existing configuration options

--enable-sandboxed and --with-driver options were used in 0.9.1
>From 0.9.2 they are not used anymore.

Signed-off-by: David Kosir <david.kosir@bylapis.com>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
[Arnout: resend without whitespace errors]
Acked-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>