Reduce logging in requests_fetcher

Remove repetitive debug logging.

Signed-off-by: Teodora Sechkova <tsechkova@vmware.com>

Author: sechkova

tuf/ngclient/_internal/requests_fetcher.py

@@ -121,12 +121,6 @@ def _chunks(response, required_length):
                 # We might have no more data to read. Check number of bytes
                 # downloaded.
                 if not data:
-                    logger.debug(
-                        "Downloaded %d out of %d bytes",
-                        bytes_received,
-                        required_length,
-                    )
-
                     # Finally, we signal that the download is complete.
                     break
 
@@ -135,6 +129,12 @@ def _chunks(response, required_length):
                 if bytes_received >= required_length:
                     break
 
+            logger.debug(
+                "Downloaded %d out of %d bytes",
+                bytes_received,
+                required_length,
+            )
+
         except urllib3.exceptions.ReadTimeoutError as e:
             raise exceptions.SlowRetrievalError(str(e))
 
@@ -155,10 +155,6 @@ def _get_session(self, url):
             )
 
         session_index = parsed_url.scheme + "+" + parsed_url.hostname
-
-        logger.debug("url: %s", url)
-        logger.debug("session index: %s", session_index)
-
         session = self._sessions.get(session_index)
 
         if not session: