Do not run `windows_home_scroll_perf__timeline_summary` benchmark in presubmit (#125343)

Introduced in https://github.com/flutter/flutter/pull/99564.  Checked with @jonahwilliams and this should not be running in presubmit.

.ci.yaml

@@ -4642,6 +4642,7 @@ targets:
 
   - name: Windows windows_home_scroll_perf__timeline_summary
     recipe: devicelab/devicelab_drone
+    presubmit: false
     timeout: 60
     properties:
       tags: >