Removes downstream check in init workflow (#1732)

No longer required check, since there are no downstream
drivers for 2.10.0 or newer.

Author: Stringy

.github/workflows/init.yml

@@ -193,40 +193,3 @@ jobs:
         run: |
           echo "module-version=$(cat ${{ github.workspace }}/kernel-modules/MODULE_VERSION)" >> "$GITHUB_OUTPUT"
 
-  downstream-check:
-    runs-on: ubuntu-latest
-    needs:
-    - common-variables
-    if: github.event_name == 'push' && (github.ref_type == 'tag' || startsWith(github.ref_name, 'release-'))
-    steps:
-      - uses: actions/checkout@v4
-
-      - name: Ensure downstream drivers exist for releases
-        run: |
-          DRIVER_VERSION="$(cat ${{ github.workspace }}/kernel-modules/MODULE_VERSION)"
-          DRIVER_COUNT="$(gsutil ls "gs://${{ needs.common-variables.outputs.cpaas-drivers-bucket }}/x86_64/${DRIVER_VERSION}/*.gz" | wc -l)"
-
-          if ((DRIVER_COUNT == 0)); then
-            echo >&2 "Building release version of collector without downstream drivers!!!"
-            echo >&2 "Please ensure the downstream drivers are built and uploaded to GCP"
-            echo >&2 "before proceeding."
-
-            exit 1
-          fi
-
-      - name: Slack notification
-        if: failure()
-        uses: rtCamp/action-slack-notify@v2
-        env:
-          SLACK_WEBHOOK: ${{ secrets.SLACK_COLLECTOR_ONCALL_WEBHOOK }}
-          SLACK_CHANNEL: team-acs-collector-oncall
-          SLACK_COLOR: failure
-          SLACK_LINK_NAMES: true
-          SLACK_TITLE: "Releasing collector with no downstream drivers."
-          MSG_MINIMAL: actions url,commit
-          SLACK_MESSAGE: |
-            Building release version of collector without downstream drivers!!!
-            Please ensure the downstream drivers are built and uploaded to GCP
-            before proceeding.
-
-            @acs-collector-team