fix(specs): do not expose internal URL in the public spec (#3835)

Author: kai687

specs/crawler/spec.yml

@@ -59,9 +59,7 @@ components:
       scheme: basic
 servers:
   - url: https://crawler.algolia.com/api
-    description: The main URL of the Crawler API.
-  - url: https://crawler-dev.algolia.com/api
-    description: The URL of the development version of the Crawler API (Algolia employees only).
+    description: The URL of the Crawler API.
 security:
   - BasicAuth: []
 tags: