Update stale comments about inflight-PR derivation

Author: trask

.github/scripts/module-cleanup/build-cleanup-matrix.py

@@ -13,8 +13,7 @@
   GITHUB_OUTPUT   - path to the GitHub Actions output file
   GH_TOKEN        - token for `gh` CLI (set automatically by the workflow)
   REVIEW_PROGRESS - newline-separated list of processed module names
-                    (contents of processed.txt on the memory branch, plus
-                    shorts already in inflight module-cleanup PR bodies)
+                    (contents of processed.txt on the memory branch)
 
 Outputs (to $GITHUB_OUTPUT):
   has_work        - "true" if a module was picked, "false" otherwise

.github/scripts/module-cleanup/finalize.sh

@@ -170,9 +170,8 @@ if [ "$SHOULD_FLUSH" = "true" ]; then
 
     MODULE_COUNT=$(git -C "$WIP_WT" rev-list --count "origin/main..origin/$WIP_BRANCH")
 
-    # The dispatch job derives the inflight-module list from commit subjects
-    # on open module-cleanup PR branches ("Cleanup for <module>"), so no
-    # hidden marker block is needed here.
+    # processed.txt on the memory branch is the sole source of truth for
+    # which modules dispatch skips, so no hidden marker block is needed here.
     BODY_FILE=$(mktemp)
     {
         echo "Automated module-cleanup batch."