update commit message that's actually being used, remove the other one

.github/workflows/push_images.yml

@@ -80,16 +80,14 @@ jobs:
             git config user.name ${{ github.actor }}
             git config user.email '${{ github.actor }}@users.noreply.github.com'
             git add -A
-            git commit -m "commit all changes"
+            git commit -m "Copy updated screenshots from GitHub CI job for Conda Store docs. This commit was created by a script via GitHub Actions."
 
       - name: "Create PR on conda-store with updated screenshots"
         id: create-pull-request
         uses: peter-evans/create-pull-request@v5
         with:
           token: ${{ secrets.CONDA_STORE_SYNC }}
           path: conda-store-repo
-          committer: ${{ github.actor }} <${{ github.actor_id }}+${{ github.actor }}@users.noreply.github.com>
-          commit-message: "Copy updated screenshots from GitHub CI job for Conda Store docs. This commit was created by a script via GitHub Actions."
           branch: update_screenshots
           delete-branch: true
           title: '[AUTO] - Update  docs screenshots'