test: remove chirp-v5-5 to test sync pipeline

Author: Germey

openapi/suno.json

@@ -629,7 +629,6 @@
                   },
                   "model": {
                     "enum": [
-                      "chirp-v5-5",
                       "chirp-v5",
                       "chirp-v4-5-plus",
                       "chirp-v4-5",