GN: Remove the "no GTest" dEQP targets. These were unused and removing them cleans up the VS projects. Bug: None Change-Id: I1e1787ad1ceac15ecc88d9338e65b3072496066d Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3173251 Reviewed-by: Jonah Ryan-Davis <jonahr@google.com> Commit-Queue: Jamie Madill <jmadill@chromium.org>