Fix: create dataset remove unnecessary parameter constraints (#7432)

### What problem does this PR solve?

Remove unnecessary parameter restrictions in dataset creation API

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

docs/references/http_api_reference.md

@@ -429,7 +429,6 @@ curl --request POST \
     - `"task_page_size"`: `int` For PDF only.
       - Defaults to `12`
       - Minimum: `1`
-      - Maximum: `10000`
     - `"raptor"`: `object` RAPTOR-specific settings. 
       - Defaults to: `{"use_raptor": false}`
     - `"graphrag"`: `object` GRAPHRAG-specific settings.