fix: docs incomplete version by error (#17)

docs/src/frontend/03_04_03_effects.md

@@ -22,8 +22,6 @@ Here's a quick look at how it works:
 }
 ```
 
-Sure, here's a revised version with a more formal tone:
-
 ## Film Modal
 
 We will begin by adapting our `FilmModal` component. This will be modified to pre-populate the form with the values of the film that is currently being edited. To accomplish this, we will use the `use_effect` hook.
@@ -136,4 +134,4 @@ fn App(cx: Scope) -> Element {
 }
 ```
 
-What we have done here is trigger an effect whenever there is a need to fetch films from our API. We then evaluate whether there are any films available. If there are, we set the `films` state to these existing films. If not, we set the `films` state to `None`. This allows us to enhance our `App` component with additional functionality.
+What we have done here is trigger an effect whenever there is a need to fetch films from our API. We then evaluate whether there are any films available. If there are, we set the `films` state to these existing films. If not, we set the `films` state to `None`. This allows us to enhance our `App` component with additional functionality.