remove j2 extension from templates

defaults/main.yaml

@@ -59,7 +59,7 @@ mediamtx_configs:
   - search_string: 'recordPath'
     line: '  recordPath: {{ recording_capture_folder }}/%path/%Y-%m-%d_%H-%M/%H-%M-%S-%f'
   - search_string: 'recordSegmentDuration'
-    line: '  recordSegmentDuration: 3600s'
+    line: '  recordSegmentDuration: 21600s'
   - search_string: 'recordDeleteAfter'
     line: '  recordDeleteAfter: 0s'
   - search_string: 'recordMaxPartSize'