Tools: Disable idf.py hints for IDF Monitor

The feature will be re-enabled later after a proper fix for the
following Github issue.

Closes https://github.com/espressif/esp-idf/issues/9610

docs/en/api-guides/tools/idf-py.rst

@@ -146,7 +146,7 @@ or partition table as applicable.
 Hints on how to resolve errors
 ==============================
 
-``idf.py`` will try to suggest hints on how to resolve errors. It works with a database of hints stored in :idf_file:`tools/idf_py_actions/hints.yml` and the hints will be printed if a match is found for the given error. The menuconfig, gdb and openocd targets are not supported at the moment by automatic hints on resolving errors.
+``idf.py`` will try to suggest hints on how to resolve errors. It works with a database of hints stored in :idf_file:`tools/idf_py_actions/hints.yml` and the hints will be printed if a match is found for the given error. The monitor, menuconfig, gdb and openocd targets are not supported at the moment by automatic hints on resolving errors.
 
 The ``--no-hints`` argument of ``idf.py`` can be used to turn the hints off in case they are not desired.
 

tools/idf_py_actions/serial_ext.py

@@ -154,7 +154,7 @@ def action_extensions(base_actions: Dict, project_path: str) -> Dict:
 
         idf_py = [PYTHON] + _get_commandline_options(ctx)  # commands to re-run idf.py
         monitor_args += ['-m', ' '.join("'%s'" % a for a in idf_py)]
-        hints = not args.no_hints
+        hints = False  # Temporarily disabled because of https://github.com/espressif/esp-idf/issues/9610
 
         RunTool('idf_monitor', monitor_args, args.project_dir, build_dir=args.build_dir, hints=hints, interactive=True)()