Remove docs build and replace it with ReadTheDocs CI.

.github/workflows/ci.yml

@@ -23,9 +23,9 @@ jobs:
       NUMBA_BOUNDSCHECK: ${{ matrix.numba_boundscheck }}
     steps:
       - name: Checkout Repo
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Cache conda
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         env:
           # Increase this value to reset cache if ci/environment.yml has not changed
           CACHE_NUMBER: 0
@@ -34,13 +34,13 @@ jobs:
           key:
             test-${{ matrix.os }}-conda-py${{ matrix.python }}-${{ env.CACHE_NUMBER }}-${{
             hashFiles('ci/environment.yml') }}
-      - uses: conda-incubator/setup-miniconda@v2
+      - uses: conda-incubator/setup-miniconda@v3
         with:
           activate-environment: sparse-dev
           allow-softlinks: true
           environment-file: ci/environment.yml
           python-version: ${{ matrix.python }}
-          miniforge-variant: Mambaforge
+          miniforge-version: latest
           use-only-tar-bz2: true
           use-mamba: true
       - name: Install package
@@ -56,42 +56,6 @@ jobs:
         if: always()
         with:
           files: "**/test-*.xml"
-  docs:
-    defaults:
-      run:
-        shell: bash -el {0}
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout Repo
-        uses: actions/checkout@v3
-      - name: Cache conda
-        uses: actions/cache@v3
-        env:
-          # Increase this value to reset cache if ci/environment.yml has not changed
-          CACHE_NUMBER: 0
-        with:
-          path: ~/conda_pkgs_dir
-          key:
-            docs-conda-${{ env.CACHE_NUMBER }}-${{ hashFiles('ci/environment.yml') }}
-      - uses: conda-incubator/setup-miniconda@v3
-        with:
-          activate-environment: sparse-dev
-          allow-softlinks: true
-          environment-file: ci/environment.yml
-          python-version: '3.10'
-          miniforge-version: latest
-          use-only-tar-bz2: true
-          use-mamba: true
-      - name: Install package
-        run: |
-          pip install -e .[docs]
-      - name: Run tests
-        run: |
-          sphinx-build -W -b html docs/ _build/html
-      - uses: actions/upload-artifact@v1
-        with:
-          name: Documentation
-          path: _build/html
 on:
   # Trigger the workflow on push or pull request,
   # but only for the main branch