sim: Remove DelayFunction

`DelayFunction` is unused.

Change-Id: I28aa756054c9b121fe4cfa65c393366f26ccb128
Signed-off-by: Sean Wilson <spwilson2@wisc.edu>
Reviewed-on: https://gem5-review.googlesource.com/3741
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
1 file changed