remove unnecessary log level keyword from raster api handler

Author: anayeaye

raster_api/runtime/handler.py

@@ -9,4 +9,4 @@
 logging.getLogger("mangum.lifespan").setLevel(logging.ERROR)
 logging.getLogger("mangum.http").setLevel(logging.ERROR)
 
-handler = Mangum(app, lifespan="auto", log_level="error")
+handler = Mangum(app, lifespan="auto")