Remove non-essential tools from builder image

Author: kateinoigakukun

builders/wasm32-unknown-wasi/Dockerfile

@@ -2,8 +2,6 @@ FROM debian:buster
 
 ARG WASI_SDK_VERSION_MAJOR=14
 ARG WASI_SDK_VERSION_MINOR=0
-ARG BINARYEN_VERSION=108
-ARG WASI_VFS_VERSION=0.1.1
 ARG WASI_PRESET_ARGS_VERSION=0.1.1
 
 ENV WASI_SDK_PATH="/opt/wasi-sdk" 
@@ -22,26 +20,7 @@ RUN set -eux pipefail; \
   dpkg -i "$wasi_sdk_deb"; \
   rm -f "$wasi_sdk_deb";
 
-ENV BINARYEN_DIR="/opt/binaryen"
 RUN set -eux pipefail; \
-  binaryen_tarball="binaryen-version_${BINARYEN_VERSION}-x86_64-linux.tar.gz"; \
-  binaryen_url="https://github.com/WebAssembly/binaryen/releases/download/version_${BINARYEN_VERSION}/${binaryen_tarball}"; \
-  curl -L "$binaryen_url" | tar xfz -; \
-  ln -fs /binaryen-version_${BINARYEN_VERSION} /opt/binaryen;
-
-ENV PATH="$BINARYEN_DIR/bin:$PATH"
-
-ENV LIB_WASI_VFS_A="/opt/wasi-vfs/lib/libwasi_vfs.a"
-RUN set -eux pipefail; \
-  lib_wasi_vfs_url="https://github.com/kateinoigakukun/wasi-vfs/releases/download/v${WASI_VFS_VERSION}/libwasi_vfs-wasm32-unknown-unknown.zip"; \
-  curl -LO "$lib_wasi_vfs_url"; \
-  unzip libwasi_vfs-wasm32-unknown-unknown.zip; \
-  mkdir -p /opt/wasi-vfs/lib; \
-  mv libwasi_vfs.a $LIB_WASI_VFS_A; \
-  wasi_vfs_cli_url="https://github.com/kateinoigakukun/wasi-vfs/releases/download/v${WASI_VFS_VERSION}/wasi-vfs-cli-x86_64-unknown-linux-gnu.zip"; \
-  curl -LO "$wasi_vfs_cli_url"; \
-  unzip wasi-vfs-cli-x86_64-unknown-linux-gnu.zip; \
-  mv wasi-vfs /usr/local/bin/wasi-vfs; \
   wasi_preset_args_url="https://github.com/kateinoigakukun/wasi-preset-args/releases/download/v${WASI_PRESET_ARGS_VERSION}/wasi-preset-args-x86_64-unknown-linux-gnu.zip"; \
   curl -LO "$wasi_preset_args_url"; \
   unzip wasi-preset-args-x86_64-unknown-linux-gnu.zip; \