Update logging configuration to not when used by a library

src/cfnlint/config.py

@@ -37,15 +37,12 @@ def configure_logging(debug_logging, info_logging):
     elif info_logging:
         LOGGER.setLevel(logging.INFO)
     else:
-        LOGGER.setLevel(logging.NOTSET)
+        LOGGER.setLevel(logging.WARNING)
     log_formatter = logging.Formatter(
         "%(asctime)s - %(name)s - %(levelname)s - %(message)s"
     )
     ch.setFormatter(log_formatter)
 
-    # make sure all other log handlers are removed before adding it back
-    for handler in LOGGER.handlers:
-        LOGGER.removeHandler(handler)
     LOGGER.addHandler(ch)