Cleanup unused param in PLMTestUtil

Cleanup an unused argument. Make function definition match the
declaration.

Change-Id: I5361ebcc56e660b4e697f50a866798ea5c89fad6
Reviewed-on: https://chromium-review.googlesource.com/c/1372429
Commit-Queue: John Delaney <johnidel@chromium.org>
Commit-Queue: Charlie Harrison <csharrison@chromium.org>
Reviewed-by: Charlie Harrison <csharrison@chromium.org>
Cr-Commit-Position: refs/heads/master@{#615735}
1 file changed