workflow bug fix

Author: Promin3

.github/workflows/build.yml

@@ -31,18 +31,9 @@ jobs:
     container:
       image: duskmoon/dev-env:rcore-ci
     steps:
-      - name: Remove Cargo proxy config
-        run: |
-          unset RUSTUP_DIST_SERVER
-          unset RUSTUP_UPDATE_ROOT
-          unset CARGO_HTTP_MULTIPLEXING
-          # 删除或重置全局配置
-          rm ${CARGO_HOME}/config.toml || true
-          rm -rf rm ${CARGO_HOME}/registry/* || true
       - uses: actions/checkout@v4
       - name: Run tests
         run: |
-          cargo install cargo-binutils —-locked
           qemu-system-riscv64 --version
           rustup target add riscv64gc-unknown-none-elf
           git config --global --add safe.directory /__w/${{ github.event.repository.name }}/${{ github.event.repository.name }}
@@ -116,4 +107,4 @@ jobs:
             else
             echo "Error: The result field does not contain 1."
             exit 1
-            fi
+            fi