chore: remove messages published to slack that are no longer needed (#522)

Author: jacek-prisma

.github/workflows/publish-engines.yml

@@ -101,15 +101,3 @@ jobs:
           commit_user_name: prisma-bot
           commit_user_email: [email protected]
           commit_author: prisma-bot <[email protected]>
-
-      - name: Set current job url in SLACK_FOOTER env var
-        if: ${{ failure() }}
-        run: echo "SLACK_FOOTER=<$GITHUB_SERVER_URL/$GITHUB_REPOSITORY/actions/runs/$GITHUB_RUN_ID|Click here to go to the job logs>" >> $GITHUB_ENV
-
-      - name: Slack Notification on Failure
-        if: ${{ failure() }}
-        uses: rtCamp/[email protected]
-        env:
-          SLACK_TITLE: 'Publishing failed :x:'
-          SLACK_COLOR: '#FF0000'
-          SLACK_WEBHOOK: ${{ secrets.SLACK_WEBHOOK }}