Remove unused code for milvus client (#1770)

Signed-off-by: Cai Zhang <[email protected]>

pymilvus/milvus_client/milvus_client.py

@@ -56,13 +56,9 @@ def __init__(
  logger.debug("tqdm not found")
  self.tqdm = lambda x, disable: x
 
- self.uri = uri
- self.timeout = timeout
- self.conn = None
-
- self.default_search_params = None
-
- self._using = self._create_connection(uri, user, password, db_name, token, **kwargs)
+ self._using = self._create_connection(
+ uri, user, password, db_name, token, timeout=timeout, **kwargs
+ )
  self.is_self_hosted = bool(
  utility.get_server_type(using=self._using) == "milvus",
  )