Shorten -d help text per review suggestions

Agent-Logs-Url: https://github.com/OpenSimulationInterface/qc-osi-trace/sessions/c0098133-f301-4796-937e-2707f09699e0

Co-authored-by: pmai <91502+pmai@users.noreply.github.com>

Author: Copilot

README.md

@@ -58,8 +58,7 @@ ASAM QC checker bundle for checking the validity of OSI Trace (.osi/.mcap) files
 
 options:
   -h, --help            show this help message and exit
-  -d, --default_config  Deprecated. Retained for backward compatibility. Default configuration is used whenever -c is
-                        omitted.
+  -d, --default_config  Deprecated. Default configuration is used whenever -c is omitted.
   -c, --config_path CONFIG_PATH
   -i, --input_file INPUT_FILE
                         Path to the input OSI Trace file.
@@ -153,8 +152,7 @@ ASAM QC checker bundle for checking the validity of OSI Trace (.osi/.mcap) files
 
 options:
   -h, --help            show this help message and exit
-  -d, --default_config  Deprecated. Retained for backward compatibility. Default configuration is used whenever -c is
-                        omitted.
+  -d, --default_config  Deprecated. Default configuration is used whenever -c is omitted.
   -c, --config_path CONFIG_PATH
   -i, --input_file INPUT_FILE
                         Path to the input OSI Trace file.

qc_ositrace/main.py

@@ -23,7 +23,7 @@ def args_entrypoint() -> argparse.Namespace:
         "-d",
         "--default_config",
         action="store_true",
-        help="Deprecated. Retained for backward compatibility. Default configuration is used whenever -c is omitted.",
+        help="Deprecated. Default configuration is used whenever -c is omitted.",
     )
     config_group.add_argument("-c", "--config_path")