toolchains: Remove legacy code (#324)

Signed-off-by: Ryan Northey <ryan@synca.io>
envoyproxy · Mar 21, 2024 · 8a4d6f9 · 8a4d6f9
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diff --git a/toolchains/README.md b/toolchains/README.md
@@ -3,11 +3,15 @@
 This directory contains toolchains config generated for Bazel [RBE](https://docs.bazel.build/versions/master/remote-execution.html) and
 [Docker sandbox](https://docs.bazel.build/versions/master/remote-execution-sandbox.html).
 
-To regenerate toolchain configs, update the docker image information in `rbe_toolchains_config.bzl` and run following command in an
+To regenerate toolchain configs, update the JSON toolchain configs and run following command in an
 environment with the latest Bazel and Docker installed:
 
 ```
 toolchains/regenerate.sh
 ```
 
 This will generate configs in `toolchains/configs`, check in those files so they can be used in CI.
+
+You can also set docker image information in `BUILD`. This does not require the toolchains to be rebuilt.
+
+Once the toolchains/docker settings are updated, update the `envoy_build_tools` dependency in Envoy.
diff --git a/toolchains/rbe_toolchains_config.bzl b/toolchains/rbe_toolchains_config.bzl