fix(fvp): remove the bp.refcounter.use_real_time parameter

It is deprecated in 11.28 (which is the models CI currently uses) and
removed in more recent models. On model where it is present, the default
is the same as what we set it to so it's redundant.

Signed-off-by: Boyan Karatotev <boyan.karatotev@arm.com>
Change-Id: Ieefdc76b1d3ea04b57694526c4320a1d661e787b
1 file changed