Remove a statement that was only added for debugging purposes

Lib/runpy.py

@@ -151,7 +151,6 @@ def _run_module_as_main(mod_name, alter_argv=True):
             # know what the code was looking for
             info = "can't find '__main__' module in %r" % sys.argv[0]
         msg = "%s: %s" % (sys.executable, info)
-        raise
         sys.exit(msg)
     pkg_name = mod_name.rpartition('.')[0]
     main_globals = sys.modules["__main__"].__dict__