Remove redundant logging in SFTP Hook (#16704)

There is no equivalent logging in the store method – and arguably, a user of this hook who
wants this sort of operation logging would want more information here such as bytes transferred,
transfer rate, etc.

GitOrigin-RevId: 81be82bfb73f263ecd3b2d5f664e9c1ea751408a

airflow/providers/sftp/hooks/sftp.py

@@ -224,9 +224,7 @@ def retrieve_file(self, remote_full_path: str, local_full_path: str) -> None:
         :type local_full_path: str
         """
         conn = self.get_conn()
-        self.log.info('Retrieving file from FTP: %s', remote_full_path)
         conn.get(remote_full_path, local_full_path)
-        self.log.info('Finished retrieving file from FTP: %s', remote_full_path)
 
     def store_file(self, remote_full_path: str, local_full_path: str) -> None:
         """