[ci] deleting concurrency section until we figure out what we need

See #13483

Author: titusfortner

.github/workflows/ci.yml

@@ -9,10 +9,6 @@ on:
     - cron: "0 */12 * * *"
   workflow_dispatch:
 
-concurrency:
-  group: ${{ github.workflow }}-${{ github.ref }}${{ github.event_name == 'workflow_dispatch' && '-all' || '' }}${{ github.event_name == 'schedule' && '-all' || '' }}
-  cancel-in-progress: true
-
 jobs:
   check:
     name: Check