Remove non-default request handlers from testserver.py

We've migrated enough tests to EmbeddedTestServer that nothing seems to
actually use the request handlers anymore. This dramatically reduces the
amount of code that needs to be ported to Python 3, notably the bytes vs
str mess.

Bug: 492672, 1248530
Change-Id: I26f9a6549d7702f8f61199de71a1cbf4999b45bd
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3156547
Reviewed-by: Matt Menke <mmenke@chromium.org>
Commit-Queue: David Benjamin <davidben@chromium.org>
Cr-Commit-Position: refs/heads/main@{#921640}
NOKEYCHECK=True
GitOrigin-RevId: abdf28e532f2284e4137d3dea315a7f2bd7f9e87
1 file changed