chore: remove redundant CQA directory copy in pr.yml

The rsync on line 148 already copies the entire build/scripts directory
including cqa/. The subsequent rm + cp of the same cqa/ directory was
a leftover from before rsync was used.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: themr0c

.github/workflows/pr.yml

@@ -148,10 +148,6 @@ jobs:
           for f in build/scripts/build-ccutil.sh build/scripts/build-orchestrator.js build/scripts/error-patterns.json lychee.toml .lycheeignore; do
             if [[ -f "trusted-scripts/$f" ]]; then cp "trusted-scripts/$f" "pr-content/$f"; fi
           done
-          if [[ -d "trusted-scripts/build/scripts/cqa" ]]; then
-            rm -rf pr-content/build/scripts/cqa
-            cp -r trusted-scripts/build/scripts/cqa pr-content/build/scripts/cqa
-          fi
           touch pr-content/.lycheecache
           cd pr-content
           # Add base branch as remote so CQA checks can diff PR content against it