feat: simplify traceback display

The Rich way to display is confusing and pretty verbose.

Author: xmatthias

freqtrade/loggers/ft_rich_handler.py

@@ -38,11 +38,6 @@ def emit(self, record):
             self._console.print(
                 Text() + log_time + gray_sep + name + gray_sep + log_level + gray_sep + msg
             )
-            tb = None
-            if record.exc_info:
-                exc_type, exc_value, exc_traceback = record.exc_info
-                tb = Traceback.from_exception(exc_type, exc_value, exc_traceback, extra_lines=1)
-                self._console.print(tb)
 
         except RecursionError:
             raise