Remove run trigger (#57850)

Co-authored-by: dotnet-maestro[bot] <42748379+dotnet-maestro[bot]@users.noreply.github.com>

Author: DrewScoggins

eng/pipelines/coreclr/perf.yml

@@ -3,7 +3,6 @@ trigger:
   branches:
     include:
     - main
-    - release/*
   paths:
     include:
     - '*'