Remove LFS test files. (#210)

.github/actions/lfs/action.yml

@@ -1,23 +0,0 @@
-name: Git LFS pull
-description: Cached Git LFS pull.
-
-runs:
-  using: "composite"
-  steps:
-    - name: Create LFS file list
-      shell: bash
-      run: git lfs ls-files --long | cut -d ' ' -f1 | sort > .lfs-assets-id
-
-    - name: Restore LFS cache
-      uses: actions/cache@v4
-      with:
-        path: .git/lfs/objects
-        key: lfs-${{ hashFiles('.lfs-assets-id') }}
-        restore-keys: lfs-
-        enableCrossOsArchive: true
-
-    - name: Git LFS pull
-      shell: bash
-      run: |
-        git lfs pull
-        git lfs prune