removed the use of a local cache

.github/workflows/test.yml

@@ -42,20 +42,6 @@ jobs:
         git clone https://github.com/mochi-hpc/mochi-spack-packages
         spack -e tests repo add mochi-spack-packages
 
-    - name: Concretizing spack environment
-      run: |
-        spack -e tests concretize -f
-
-    - name: Create cache key from environment file
-      run: |
-        jq --sort-keys 'del(.spack.commit) | del(.roots)' tests/spack.lock > key.json
-
-    - name: Restore Spack cache
-      uses: actions/cache@v2
-      with:
-          path: ~/.spack-ci
-          key: spack-${{ hashFiles('key.json') }}
-
     - name: Install spack environment
       run: |
         spack -e tests install
@@ -88,5 +74,8 @@ jobs:
     - name: Push packages to buildcache and update index
       if: ${{ !cancelled() }}
       run: |
-        spack -e tests mirror set --push --oci-username ${{ github.actor }} --oci-password "${{ secrets.GITHUB_TOKEN }}" mochi-buildcache
-        spack -e tests buildcache push --base-image ubuntu:22.04 --unsigned --update-index mochi-buildcache
+        spack -e tests mirror set --push \
+          --oci-username ${{ github.actor }} \
+          --oci-password "${{ secrets.GITHUB_TOKEN }}" mochi-buildcache
+        spack -e tests buildcache push --base-image ubuntu:22.04 \
+          --unsigned --update-index mochi-buildcache