Remove unused imports in tests (GH-14518)

diff --git a/Lib/test/test_runpy.py b/Lib/test/test_runpy.py
index 800b483..f003086 100644
--- a/Lib/test/test_runpy.py
+++ b/Lib/test/test_runpy.py
@@ -11,8 +11,7 @@
 from test.support import (
     forget, make_legacy_pyc, unload, verbose, no_tracing,
     create_empty_file, temp_dir)
-from test.support.script_helper import (
-    make_pkg, make_script, make_zip_pkg, make_zip_script)
+from test.support.script_helper import make_script, make_zip_script
 
 
 import runpy