fix: remove base_url from service_status response for cleaner output

app/services/external_clients.py

@@ -103,11 +103,9 @@ def service_status() -> dict:
     return {
         "music_ai": {
             "configured": bool(os.getenv("MUSIC_AI_API_URL")),
-            "base_url": os.getenv("MUSIC_AI_API_URL"),
         },
         "ses_analizi": {
             "configured": bool(os.getenv("SES_ANALIZI_API_URL")),
-            "base_url": os.getenv("SES_ANALIZI_API_URL"),
         },
     }