delete clippy, doc, and test workflows

these fail because cargo checks that the openmm dep is available even though
it's optional and not enabled. see rust-lang/cargo#4544

.github/workflows/check.yml

@@ -20,40 +20,3 @@ jobs:
           components: rustfmt
       - name: cargo fmt --check --all
         run: cargo fmt --check --all
-  clippy:
-    runs-on: ubuntu-latest
-    name: ${{ matrix.toolchain }} / clippy
-    permissions:
-      contents: read
-      checks: write
-    strategy:
-      fail-fast: false
-      matrix:
-        toolchain: [nightly]
-    steps:
-      - uses: actions/checkout@v3
-        with:
-          submodules: true
-      - name: Install ${{ matrix.toolchain }}
-        uses: dtolnay/rust-toolchain@master
-        with:
-          toolchain: ${{ matrix.toolchain }}
-          components: clippy
-      - name: cargo clippy
-        uses: actions-rs/clippy-check@v1
-        with:
-          token: ${{ secrets.GITHUB_TOKEN }}
-          args: --workspace --all-targets -- -Dwarnings
-  doc:
-    runs-on: ubuntu-latest
-    name: nightly / doc
-    steps:
-      - uses: actions/checkout@v3
-        with:
-          submodules: true
-      - name: Install nightly
-        uses: dtolnay/rust-toolchain@nightly
-      - name: cargo doc
-        run: cargo doc --no-deps
-        env:
-          RUSTDOCFLAGS: --cfg docsrs