Test json generation script: Remove support for remove_gtest_from.

It no longer does anything that remove_from can't do.  No behavior change.

Bug: 843511
Change-Id: I74d3e52d7a9d00271baad9203d72ba7efc777a64
Reviewed-on: https://chromium-review.googlesource.com/1136646
Reviewed-by: Kenneth Russell <kbr@chromium.org>
Commit-Queue: Nico Weber <thakis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#574995}
2 files changed