More configs refactor

Now in the broker config file are the log configs for cryptofeed.

piker/brokers/deribit/api.py

@@ -234,16 +234,16 @@ def get_config() -> dict[str, Any]:
         )
 
     conf_option = section.get('option', {})
-
+    conf_log = conf_option.get('log', {})
     return {
         'deribit': {
-            'key_id': conf_option.get('api_key'),
-            'key_secret': conf_option.get('api_secret'),
+            'key_id': conf_option['key_id'],
+            'key_secret': conf_option['key_secret'],
         },
         'log': {
-            'filename': 'feedhandler.log',
-            'level': 'DEBUG',
-            'disabled': True,
+            'filename': conf_log['filename'],
+            'level': conf_log['level'],
+            'disabled': conf_log['disabled'],
         }
     }