tests: Remove accidentally included "exit 0" test code

This "exit 0" line was included accidentally in this commit:
https://gem5-review.googlesource.com/c/public/gem5/+/58169

It should not have been included, it was for testing purposes only.

Change-Id: Ia4be334d773bbb998906b0f0ae980f9ed14c87b4
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/58269
Reviewed-by: Bobby Bruce <bbruce@ucdavis.edu>
Maintainer: Bobby Bruce <bbruce@ucdavis.edu>
Reviewed-by: Jason Lowe-Power <power.jg@gmail.com>
Tested-by: kokoro <noreply+kokoro@google.com>
1 file changed