Remove scripts/post-release-fix.sh after running

  One-shot recovery script that opened the three v0.2.0 follow-up
  issues (immediately closed since the work landed in v0.3.0 commits)
  and created the v0.2.0 GitHub Release. No longer needed.

  Co-Authored-By: Claude <noreply@anthropic.com>

Author: jeffreyameyer