removed options in SelectInput propTypes as they are not used

Author: adguernier

packages/ra-ui-materialui/src/input/SelectInput.tsx

@@ -87,8 +87,6 @@ import { LoadingInput } from './LoadingInput';
  * @example
  * <SelectInput source="gender" choices={choices} translateChoice={false}/>
  *
- * The object passed as `options` props is passed to the Material UI <Select> component
- *
  * You can disable some choices by providing a `disableValue` field which name is `disabled` by default
  * @example
  * const choices = [
@@ -362,7 +360,6 @@ SelectInput.propTypes = {
         PropTypes.bool,
         PropTypes.element,
     ]),
-    options: PropTypes.object,
     optionText: PropTypes.oneOfType([
         PropTypes.string,
         PropTypes.func,