remove push branch

Author: THardy98

.github/workflows/nightly-throughput-stress.yml

@@ -4,9 +4,6 @@ on:
   schedule:
     # Run at 3 AM PST (11:00 UTC) - offset from existing nightly
     - cron: '00 11 * * *'
-  push:
-    branches:
-      - update-nightly-prom-metrics-s3
   workflow_dispatch:
     inputs:
       duration: