Revert changes on ReferenceManyToManyField.md

docs/ReferenceManyToManyField.md

@@ -101,7 +101,7 @@ export const BandShow = () => (
 );
 ```
 
-## `filter`: Permanent Filter
+## `filter`
 
 You can filter the records of the associative table (e.g. `performances`) using the `filter` prop. This `filter` is passed to the `getManyReference()` call.
 
@@ -120,36 +120,6 @@ You can filter the records of the associative table (e.g. `performances`) using
 
 {% endraw %}
 
-## Filter Inputs
-
-<video controls autoplay playsinline muted loop>
-  <source src="https://react-admin-ee.marmelab.com/assets/ra-form-layout/latest/ReferenceManyToManyFieldFilterInput.mp4" type="video/mp4" />
-  Your browser does not support the video tag.
-</video>
-
-You can add an array of filter Inputs to the `ReferenceManyToManyField` using [the `FilterForm` component](./FilterForm.md):
-
-{% raw %}
-
-```tsx
-<ReferenceManyToManyField
-    reference="venues"
-    through="performances"
-    using="band_id,venue_id"
->
-    <FilterForm
-        filters={[<TextInput source="q" label="Search" alwaysOn />]}
-    />
-    <Datagrid>
-        {/* ... */}
-    </Datagrid>
-</ReferenceManyToManyField>
-```
-
-{% endraw %}
-
-**Tip:** `ReferenceManyToManyField` doesn't provide any `FilterButton`, so you need to add the `alwaysOn` prop to your filter inputs.
-
 ## `joinLimit`
 
 By default, react-admin fetches 100 entries in the join table (e.g. `performances`). You can decrease or increase the number of entries fetched from the associative table by modifying the `joinLimit` prop: