Feat: Remove unnecessary data from the dsl #9869 (#10177)

### What problem does this PR solve?
Feat: Remove unnecessary data from the dsl #9869

### Type of change


- [x] New Feature (non-breaking change which adds functionality)

web/src/pages/data-flow/form/tokenizer-form/index.tsx

@@ -25,6 +25,8 @@ export const FormSchema = z.object({
 
 const SearchMethodOptions = buildOptions(TokenizerSearchMethod);
 
+const FieldsOptions = [{ label: 'text', value: 'text' }];
+
 const TokenizerForm = ({ node }: INextOperatorForm) => {
   const { t } = useTranslation();
   const defaultValues = useFormValues(initialTokenizerValues, node);
@@ -59,6 +61,16 @@ const TokenizerForm = ({ node }: INextOperatorForm) => {
           max={0.5}
           step={0.01}
         ></SliderInputFormField>
+        <RAGFlowFormItem name="fields" label={t('dataflow.fields')}>
+          {(field) => (
+            <MultiSelect
+              options={FieldsOptions}
+              onValueChange={field.onChange}
+              defaultValue={field.value}
+              variant="inverted"
+            />
+          )}
+        </RAGFlowFormItem>
       </FormWrapper>
       <div className="p-5">
         <Output list={outputList}></Output>