do not error if wowza does not announce it's version, fixes #21731

tests/test_nginx_vhosts.py

@@ -117,9 +117,6 @@ for name in os.listdir(nginx_dir):
                 if code != 200:
                     sys.stdout.write('\033[91mKO (%s)\033[0m' % code)
                     req_error = True
-                elif 'Wowza Streaming Engine' not in req.text:
-                    sys.stdout.write('\033[91mKO (%s, %s)\033[0m' % (code, req.text.replace('\n', ' ')[:200]))
-                    req_error = True
                 else:
                     sys.stdout.write('\033[92mOK (%s)\033[0m' % code)
         sys.stdout.write('.\n')