Update run-cpu-integration-tests-self-hosted.yml

.github/workflows/run-cpu-integration-tests-self-hosted.yml

@@ -1,17 +1,6 @@
 on:
   workflow_dispatch:
 jobs:
-  # Wait for up to a minute for previous run to complete, abort if not done by then
-  pre-ci:
-    runs-on: self-hosted
-    timeout-minutes: 1
-    steps:
-      - name: 'Block Concurrent Executions'
-        uses: softprops/turnstyle@v1
-        with:
-          poll-interval-seconds: 10
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
   linux-x86_64:
     needs: pre-ci
     runs-on: [self-hosted]