Removed legacy interfaces and old documentation references to the previous on-disk layout

internal/app/post_archive_cleanup.go

@@ -60,14 +60,6 @@ func runPostArchiveCleanup(ctx context.Context, env *Env, manifestPath string, m
 			strings.TrimSpace(env.Config.Session.SessionID),
 			strings.TrimSpace(m.RunID),
 		)
-		if info, err := os.Stat(workDir); err != nil || !info.IsDir() {
-			workDir = artifacts.SessionRunWorkDir(
-				env.Config.Pipeline.Workspace.Root,
-				strings.TrimSpace(env.Config.Session.Campaign),
-				strings.TrimSpace(env.Config.Session.SessionID),
-				strings.TrimSpace(m.RunID),
-			)
-		}
 	}
 
 	if spoolRequested {