remove .github/workflows/build-doc.yml

.github/workflows/build-doc.yml

@@ -1,25 +0,0 @@
-name: Build Rust Doc
-
-on: [push]
-
-env:
-  CARGO_TERM_COLOR: always
-
-jobs:
-  build-doc:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v2
-      - name: Build doc
-        run: |
-          rustup target add riscv64gc-unknown-none-elf
-          rustup component add llvm-tools-preview
-          rustup component add rust-src
-          cd os
-          cargo doc --no-deps --verbose
-      - name: Deploy to Github Pages
-        uses: peaceiris/actions-gh-pages@v3
-        with:
-          github_token: ${{ secrets.GITHUB_TOKEN }}
-          publish_dir: ./os/target/riscv64gc-unknown-none-elf/doc
-          destination_dir: ${{ github.ref_name }}