Revert "Auto-sync draft PRs" (#1891)

Reverts #1890. We now have a quality-of-life feature that does not require a SHA in `/ok to test` if all commits are from trusted authors.

Authors:
  - Bradley Dice (https://github.com/bdice)

Approvers:
  - AJ Schmidt (https://github.com/ajschmidt8)

URL: #1891

Author: bdice

.github/copy-pr-bot.yaml

@@ -2,4 +2,4 @@
 # https://docs.gha-runners.nvidia.com/apps/copy-pr-bot/
 
 enabled: true
-auto_sync_draft: true
+auto_sync_draft: false