Remove conda cache

Author: ml31415

.github/workflows/ci.yaml

@@ -29,20 +29,12 @@ jobs:
     steps:
       - uses: actions/checkout@v3
         with:
-          fetch-depth: 0 # Fetch all history for all branches and tags.
+          fetch-depth: 10 # Fetch all history for all branches and tags.
       - name: Set environment variables
         run: |
           echo "CONDA_ENV_FILE=ci/environment.yml" >> $GITHUB_ENV
           echo "PYTHON_VERSION=${{ matrix.python-version }}" >> $GITHUB_ENV
 
-      - name: Cache conda
-        id: cache-conda
-        uses: actions/cache@v3
-        with:
-          path: ~/conda_pkgs_dir
-          key: ${{ runner.os }}-conda-py${{ matrix.python-version }}-${{
-            hashFiles('ci/**.yml') }}
-
       - uses: conda-incubator/setup-miniconda@v2
         with:
           channels: conda-forge