chore: remove upstream CI workflows (not our CI infrastructure)

.github/workflows/book.yml

@@ -1,32 +0,0 @@
-name: Pasta book
-
-on:
-  push:
-    branches:
-      - main
-
-jobs:
-  deploy:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v3
-
-      - name: Setup mdBook
-        uses: peaceiris/actions-mdbook@v1
-        with:
-          mdbook-version: 'latest'
-
-      - name: Install mdbook-katex
-        uses: actions-rs/cargo@v1
-        with:
-          command: install
-          args: mdbook-katex
-
-      - name: Build Pasta book
-        run: mdbook build book/
-
-      - name: Deploy to GitHub Pages
-        uses: peaceiris/actions-gh-pages@v3
-        with:
-          github_token: ${{ secrets.GITHUB_TOKEN }}
-          publish_dir: ./book/book

.github/workflows/ci.yml

@@ -1,112 +0,0 @@
-name: CI checks
-
-on: [push, pull_request]
-
-jobs:
-  test:
-    name: Test on ${{ matrix.os }} with ${{ matrix.features }}
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ubuntu-latest, windows-latest, macOS-latest]
-        features: [--all-features, --no-default-features]
-    continue-on-error: true
-    steps:
-      - uses: actions/checkout@v4
-      - name: Run tests
-        run: cargo test --verbose --release ${{ matrix.features }}
-      - name: Verify working directory is clean
-        run: git diff --exit-code
-
-  test-32-bit:
-    name: Test on i686-unknown-linux-gnu with ${{ matrix.features }}
-    runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        features: [--all-features, --no-default-features]
-    continue-on-error: true
-    steps:
-      - uses: actions/checkout@v4
-      - name: Install cross-platform support dependencies
-        run: sudo apt install gcc-multilib
-      - run: rustup target add i686-unknown-linux-gnu
-      - name: Run tests
-        run: >
-          cargo test
-          --verbose
-          --target i686-unknown-linux-gnu
-          ${{ matrix.features }}
-      - name: Verify working directory is clean
-        run: git diff --exit-code
-
-  no-std:
-    name: Check no-std target ${{ matrix.target }}
-    runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        target:
-          - thumbv6m-none-eabi
-          - wasm32-unknown-unknown
-          - wasm32-wasi
-
-    steps:
-      - uses: actions/checkout@v4
-      - run: rustup target add ${{ matrix.target }}
-      - name: Build
-        run: >
-          cargo build
-          --verbose
-          --target ${{ matrix.target }}
-          --no-default-features
-
-  bitrot:
-    name: Bitrot check
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-      # Build benchmarks to prevent bitrot
-      - name: Build benchmarks
-        run: cargo build --benches --all-features
-
-  book:
-    name: Book tests
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-      - run: cargo build
-      - name: Setup mdBook
-        uses: peaceiris/actions-mdbook@v1
-        with:
-          mdbook-version: '0.4.5'
-      - name: Test Pasta book
-        run: mdbook test -L target/debug/deps book/
-
-  codecov:
-    name: Code coverage
-    runs-on: ubuntu-latest
-    container:
-      image: xd009642/tarpaulin:develop-nightly
-      options: --security-opt seccomp=unconfined
-    steps:
-      - uses: actions/checkout@v4
-      - name: Generate coverage report
-        run: cargo tarpaulin --engine llvm --all-features --timeout 600 --out Xml
-      - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v3.1.1
-
-  doc-links:
-    name: Intra-doc links
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-      - run: cargo fetch
-      # Requires #![deny(rustdoc::broken_intra_doc_links)] in crates.
-      - name: Check intra-doc links
-        run: cargo doc --all-features --document-private-items
-
-  fmt:
-    name: Rustfmt
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-      - run: cargo fmt -- --check

.github/workflows/lints-beta.yml

@@ -1,24 +0,0 @@
-name: Beta lints
-
-# These lints are only informative, so we only run them directly on branches
-# and not trial-merges of PRs, to reduce noise.
-on: push
-
-jobs:
-  clippy-beta:
-    name: Clippy (beta)
-    timeout-minutes: 30
-    runs-on: ubuntu-latest
-    continue-on-error: true
-    steps:
-      - uses: actions/checkout@v3
-      - uses: dtolnay/rust-toolchain@beta
-        id: toolchain
-      - run: rustup override set ${{steps.toolchain.outputs.name}}
-      - name: Run Clippy (beta)
-        uses: actions-rs/clippy-check@v1
-        continue-on-error: true
-        with:
-          name: Clippy (beta)
-          token: ${{ secrets.GITHUB_TOKEN }}
-          args: --all-features --all-targets -- -W clippy::all

.github/workflows/lints-stable.yml

@@ -1,18 +0,0 @@
-name: Stable lints
-
-# We only run these lints on trial-merges of PRs to reduce noise.
-on: pull_request
-
-jobs:
-  clippy:
-    name: Clippy (MSRV)
-    timeout-minutes: 30
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v3
-      - name: Run clippy
-        uses: actions-rs/clippy-check@v1
-        with:
-          name: Clippy (MSRV)
-          token: ${{ secrets.GITHUB_TOKEN }}
-          args: --all-features --all-targets -- -D warnings