remove deprecated doc on in DEVELOPER

Signed-off-by: mathetake <takeshi@tetrate.io>

DEVELOPER.md

@@ -42,62 +42,9 @@ getenvoy extension init my-extension
 ```
 and follow the wizard.
 
-> NOTE: At the moment, `Rust` extensions have a dependency on a private `GitHub` repository [tetratelabs/envoy-wasm-rust-sdk](https://github.com/tetratelabs/envoy-wasm-rust-sdk).
->
-> In practice, it means that `Rust` toolchain (`cargo`) will have to pass through [GitHub authenticatation]() to be able to fetch the source code of [tetratelabs/envoy-wasm-rust-sdk](https://github.com/tetratelabs/envoy-wasm-rust-sdk).
->
-> For more details see a section on [SSH authentication](https://doc.rust-lang.org/cargo/appendix/git-authentication.html#ssh-authentication) in the [Cargo Book](https://doc.rust-lang.org/cargo/).
-
-To build a Wasm extension on `Mac OS`, do the following:
-1. [Configure SSH agent](https://help.github.com/en/github/authenticating-to-github/generating-a-new-ssh-key-and-adding-it-to-the-ssh-agent#adding-your-ssh-key-to-the-ssh-agent)
-2. Run:
-   ```shell
-   cd my-new-extension
-
-   getenvoy extension build --toolchain-container-options \
-     '--mount type=bind,src=/run/host-services/ssh-auth.sock,target=/run/host-services/ssh-auth.sock -e SSH_AUTH_SOCK=/run/host-services/ssh-auth.sock'
-   ```
-
 ### How to run e2e Tests
 
 Run:
 ```shell
 make e2e
 ```
-
-> NOTE: At the moment, `Rust` extensions have a dependency on a private `GitHub` repository [tetratelabs/envoy-wasm-rust-sdk](https://github.com/tetratelabs/envoy-wasm-rust-sdk).
->
-> In practice, it means that `Rust` toolchain (`cargo`) will have to pass through [GitHub authenticatation]() to be able to fetch the source code of [tetratelabs/envoy-wasm-rust-sdk](https://github.com/tetratelabs/envoy-wasm-rust-sdk).
->
-> For more details see a section on [SSH authentication](https://doc.rust-lang.org/cargo/appendix/git-authentication.html#ssh-authentication) in the [Cargo Book](https://doc.rust-lang.org/cargo/).
-
-To run e2e tests on `Mac OS`, do the following:
-1. [Configure SSH agent](https://help.github.com/en/github/authenticating-to-github/generating-a-new-ssh-key-and-adding-it-to-the-ssh-agent#adding-your-ssh-key-to-the-ssh-agent)
-2. Run:
-   ```shell
-   bash -c '
-   set -e
-
-   #
-   # restore original ownership over the SSH agent socket (mounted inside container)
-   #
-   trap "docker run --rm -t --mount type=bind,src=/run/host-services/ssh-auth.sock,target=/run/host-services/ssh-auth.sock busybox chown 0 /run/host-services/ssh-auth.sock" EXIT
-
-   #
-   # pass ownership over the SSH agent socket (mounted inside container) to the current user
-   #
-   docker run --rm -t --mount type=bind,src=/run/host-services/ssh-auth.sock,target=/run/host-services/ssh-auth.sock busybox chown $(id -u) /run/host-services/ssh-auth.sock
-
-   #
-   # Run e2e tests in the following context:
-   #  1. Pass SSH agent socket (so that build containers could download private dependencies)
-   #  2. Override location of Cargo cache (so that all extensions and their build containers could share the same cache)
-   #
-   E2E_BUILTIN_TOOLCHAIN_CONTAINER_OPTIONS=" \
-   --mount type=bind,src=/run/host-services/ssh-auth.sock,target=/run/host-services/ssh-auth.sock \
-   -e SSH_AUTH_SOCK=/run/host-services/ssh-auth.sock \
-   -v /tmp/cache/getenvoy:/tmp/cache/getenvoy \
-   -e CARGO_HOME=/tmp/cache/getenvoy/extension/rust-builder/cargo" \
-   make e2e
-   '
-   ```