configs: Fix duplicate branchPred reference in Simulation.py

Change-Id: I5ef5fb7ebc5fc2a4776adc43643c4df27efc341c
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/18769
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
1 file changed