Remove unused features of SpawnedTestServer This also removes the NoDHE test. The test was useful back while we were removing DHE support. At this point, BoringSSL has not even implemented DHE for years. Keeping a DHE-capable test server around, purely to prove that DHE doesn't work is unnecessary. Bug: 1250903 Change-Id: Iaff14c42f8ca2db0273e93e565169a0d94e1b09f Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3170211 Commit-Queue: Ryan Sleevi <[email protected]> Auto-Submit: David Benjamin <[email protected]> Reviewed-by: Ryan Sleevi <[email protected]> Cr-Commit-Position: refs/heads/main@{#922809} NOKEYCHECK=True GitOrigin-RevId: 9f516afec13008193d77eaf88ecf6cdeda103d05