Refa: only support MinerU-API now (#11977)

### What problem does this PR solve?

Only support MinerU-API now, still need to complete frontend for
pipeline to allow the configuration of MinerU options.

### Type of change

- [x] Refactoring

web/src/pages/dataset/dataset-setting/index.tsx

@@ -75,6 +75,7 @@ export default function DatasetSettings() {
         mineru_parse_method: 'auto',
         mineru_formula_enable: true,
         mineru_table_enable: true,
+        mineru_lang: 'English',
         raptor: {
           use_raptor: true,
           max_token: 256,