move cleanup code to the end

scripts/copy_from_upstream/copy_from_upstream.py

@@ -612,10 +612,6 @@ def copy_from_upstream():
         with open(os.path.join(os.environ['LIBOQS_DIR'], 'tests', 'KATs', t, 'kats.json'), "w") as f:
             json.dump(kats[t], f, indent=2, sort_keys=True)
 
-# TBD: What's the purpose of this rmtree? It destroys patches to the documentation
-#    if not keepdata:
-#        shutil.rmtree('repos')
-
     update_upstream_alg_docs.do_it(os.environ['LIBOQS_DIR'])
 
     sys.path.insert(1, os.path.join(os.environ['LIBOQS_DIR'], 'scripts'))
@@ -624,6 +620,10 @@ def copy_from_upstream():
     update_docs_from_yaml.do_it(os.environ['LIBOQS_DIR'])
     update_cbom.update_cbom_if_algs_not_changed(os.environ['LIBOQS_DIR'], "git")
 
+    if not keepdata:
+        shutil.rmtree('repos')
+
+
 def verify_from_upstream():
     instructions = load_instructions()
     basedir = "verify_from_upstream"