gh-113325: Remove a debugging print accidentally left in test_symtable (GH-113368)

Author: serhiy-storchaka

Lib/test/test_symtable.py

@@ -337,7 +337,6 @@ def test_stdin(self):
                 symtable.main(['-'])
             self.assertEqual(stdout.getvalue(), out)
         lines = out.splitlines()
-        print(out)
         self.assertIn("symbol table for module from file '<stdin>':", lines)