Delete useless logs

dashboard/logs/mqtt_log_20250313_182441.jsonl

@@ -1,6 +0,0 @@
-{"timestamp": "2025-03-13T18:24:41.868333", "topic": "o/broadcast", "payload": "{\"ts\": \"2025-03-13T17:24:41.867595Z\", \"message\": \"keep-alive\"}"}
-{"timestamp": "2025-03-13T18:24:42.119389", "topic": "o/broadcast", "payload": "{\"ts\": \"2025-03-13T17:24:42.118938Z\", \"message\": \"keep-alive\"}"}
-{"timestamp": "2025-03-13T18:24:46.892857", "topic": "o/broadcast", "payload": "{\"ts\": \"2025-03-13T17:24:46.892401Z\", \"message\": \"keep-alive\"}"}
-{"timestamp": "2025-03-13T18:24:47.143716", "topic": "o/broadcast", "payload": "{\"ts\": \"2025-03-13T17:24:47.143344Z\", \"message\": \"keep-alive\"}"}
-{"timestamp": "2025-03-13T18:24:51.918470", "topic": "o/broadcast", "payload": "{\"ts\": \"2025-03-13T17:24:51.917499Z\", \"message\": \"keep-alive\"}"}
-{"timestamp": "2025-03-13T18:24:52.144578", "topic": "o/broadcast", "payload": "{\"ts\": \"2025-03-13T17:24:52.144180Z\", \"message\": \"keep-alive\"}"}

dashboard/logs/mqtt_log_20250313_182442.jsonl

@@ -1,5 +0,0 @@
-{"timestamp": "2025-03-13T18:24:42.119694", "topic": "o/broadcast", "payload": "{\"ts\": \"2025-03-13T17:24:42.118938Z\", \"message\": \"keep-alive\"}"}
-{"timestamp": "2025-03-13T18:24:46.892999", "topic": "o/broadcast", "payload": "{\"ts\": \"2025-03-13T17:24:46.892401Z\", \"message\": \"keep-alive\"}"}
-{"timestamp": "2025-03-13T18:24:47.143757", "topic": "o/broadcast", "payload": "{\"ts\": \"2025-03-13T17:24:47.143344Z\", \"message\": \"keep-alive\"}"}
-{"timestamp": "2025-03-13T18:24:51.918760", "topic": "o/broadcast", "payload": "{\"ts\": \"2025-03-13T17:24:51.917499Z\", \"message\": \"keep-alive\"}"}
-{"timestamp": "2025-03-13T18:24:52.144658", "topic": "o/broadcast", "payload": "{\"ts\": \"2025-03-13T17:24:52.144180Z\", \"message\": \"keep-alive\"}"}