Remove size check on whylabs api keys (#1581)

This constraint isn't true. Keys can actually be arbitrarily long now
that they include the org id as well, which is customizable.

python/whylogs/api/whylabs/session/whylabs_client_cache.py

@@ -24,8 +24,6 @@ def _validate_api_key(self, api_key: Optional[str]) -> str:
             raise ValueError("Missing API key. Set it via WHYLABS_API_KEY environment variable or as an api_key option")
         if len(api_key) < 12:
             raise ValueError("API key too short")
-        if len(api_key) > 80:
-            raise ValueError("API key too long")
         if api_key[10] != ".":
             raise ValueError("Invalid format. Expecting a dot at an index 10")
         return api_key[:10]