Simplify

Author: vkucera

.github/workflows/o2-linter.yml

@@ -37,7 +37,7 @@ jobs:
       - name: Run tests
         id: linter
         run: |
-          echo "$(git log -n 1 --pretty='format:%ci %h %s %d')"
+          git log -n 1 --pretty='format:%ci %h %s %d'
           # Diff against the common ancestor of the source (head) branch and the target (base) branch.
           echo "Diffing ${{ env.BRANCH_HEAD }} against ${{ env.BRANCH_BASE }}."
           readarray -t files < <(git diff --diff-filter d --name-only ${{ env.BRANCH_BASE }}...)