Update ci.yml

Remove slack-workflow-status in favor of subscribing to events in Slack.

Author: weppos

.github/workflows/ci.yml

@@ -61,17 +61,3 @@ jobs:
           key: ${{ runner.os }}-erlang-${{ matrix.otp_version }}-${{ hashFiles('**/*rebar.lock') }}
 
       - run: make test
-
-  slack-workflow-status:
-    if: always()
-    name: Post Workflow Status To Slack
-    needs:
-      - build
-      - test
-    runs-on: ubuntu-latest
-    steps:
-      - name: Slack Workflow Notification
-        uses: Gamesight/slack-workflow-status@master
-        with:
-          repo_token: ${{secrets.GITHUB_TOKEN}}
-          slack_webhook_url: ${{secrets.SLACK_WEBHOOK_URL_DEVELOPMENT}}