Drop notify on failure

Author: kevmoo

.github/workflows/lint.yml

@@ -473,21 +473,3 @@ jobs:
         run: flutter analyze
         if: "always() && steps.examples_fullstack_frontend_pub_upgrade.conclusion == 'success'"
         working-directory: examples/fullstack/frontend
-  job_007:
-    name: Notify failure
-    runs-on: ubuntu-latest
-    if: "(github.event_name == 'push' || github.event_name == 'schedule') && failure()"
-    steps:
-      - run: |
-          curl -H "Content-Type: application/json" -X POST -d \
-            "{'text':'Build failed! ${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY}/actions/runs/${GITHUB_RUN_ID}'}" \
-            "${CHAT_WEBHOOK_URL}"
-        env:
-          CHAT_WEBHOOK_URL: "${{ secrets.CHAT_WEBHOOK_URL }}"
-    needs:
-      - job_001
-      - job_002
-      - job_003
-      - job_004
-      - job_005
-      - job_006

.github/workflows/unit.yml

@@ -359,22 +359,3 @@ jobs:
         run: dart test
         if: "always() && steps.google_cloud_pub_upgrade.conclusion == 'success'"
         working-directory: google_cloud
-  job_008:
-    name: Notify failure
-    runs-on: ubuntu-latest
-    if: "(github.event_name == 'push' || github.event_name == 'schedule') && failure()"
-    steps:
-      - run: |
-          curl -H "Content-Type: application/json" -X POST -d \
-            "{'text':'Build failed! ${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY}/actions/runs/${GITHUB_RUN_ID}'}" \
-            "${CHAT_WEBHOOK_URL}"
-        env:
-          CHAT_WEBHOOK_URL: "${{ secrets.CHAT_WEBHOOK_URL }}"
-    needs:
-      - job_001
-      - job_002
-      - job_003
-      - job_004
-      - job_005
-      - job_006
-      - job_007

mono_repo.yaml

@@ -25,16 +25,3 @@ github:
       name: Dart Unit CI
       stages:
       - unit_test
-
-  on_completion:
-  - name: "Notify failure"
-    runs-on: ubuntu-latest
-    # Run only if other jobs have failed and this is a push or scheduled build.
-    if: (github.event_name == 'push' || github.event_name == 'schedule') && failure()
-    steps:
-    - run: >
-        curl -H "Content-Type: application/json" -X POST -d \
-          "{'text':'Build failed! ${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY}/actions/runs/${GITHUB_RUN_ID}'}" \
-          "${CHAT_WEBHOOK_URL}"
-      env:
-        CHAT_WEBHOOK_URL: ${{ secrets.CHAT_WEBHOOK_URL }}