refactor(systemd): Slim down log output via RichHandler

update-firewall-source.py

@@ -84,7 +84,12 @@ logging.basicConfig(
     format=CONST.LOG_FORMAT,
     datefmt="[%X]",
     handlers=[RichHandler(
-        rich_tracebacks=True
+        show_time=False if any([systemd_env_var in os.environ for systemd_env_var in [
+            "SYSTEMD_EXEC_PID",
+            "INVOCATION_ID"]]) else True,
+        rich_tracebacks=True,
+        show_path=False,
+        show_level=False
     )]
 )
 log = logging.getLogger("rich")