Remove unnecessary doc string (#9481)

# Objective

- Resolves #9440

## Solution

- Remove the doc string mentioning the position of a `NodeBundle`, since
the doc string for the `style` component already explains this ability.

crates/bevy_ui/src/node_bundles.rs

@@ -74,9 +74,6 @@ impl Default for NodeBundle {
 #[derive(Bundle, Debug, Default)]
 pub struct ImageBundle {
     /// Describes the logical size of the node
-    ///
-    /// This field is automatically managed by the UI layout system.
-    /// To alter the position of the `NodeBundle`, use the properties of the [`Style`] component.
     pub node: Node,
     /// Styles which control the layout (size and position) of the node and it's children
     /// In some cases these styles also affect how the node drawn/painted.
@@ -98,12 +95,12 @@ pub struct ImageBundle {
     /// The transform of the node
     ///
     /// This field is automatically managed by the UI layout system.
-    /// To alter the position of the `NodeBundle`, use the properties of the [`Style`] component.
+    /// To alter the position of the `ImageBundle`, use the properties of the [`Style`] component.
     pub transform: Transform,
     /// The global transform of the node
     ///
     /// This field is automatically managed by the UI layout system.
-    /// To alter the position of the `NodeBundle`, use the properties of the [`Style`] component.
+    /// To alter the position of the `ImageBundle`, use the properties of the [`Style`] component.
     pub global_transform: GlobalTransform,
     /// Describes the visibility properties of the node
     pub visibility: Visibility,
@@ -117,9 +114,6 @@ pub struct ImageBundle {
 #[derive(Bundle, Debug, Default)]
 pub struct AtlasImageBundle {
     /// Describes the logical size of the node
-    ///
-    /// This field is automatically managed by the UI layout system.
-    /// To alter the position of the `NodeBundle`, use the properties of the [`Style`] component.
     pub node: Node,
     /// Styles which control the layout (size and position) of the node and it's children
     /// In some cases these styles also affect how the node drawn/painted.
@@ -143,12 +137,12 @@ pub struct AtlasImageBundle {
     /// The transform of the node
     ///
     /// This field is automatically managed by the UI layout system.
-    /// To alter the position of the `NodeBundle`, use the properties of the [`Style`] component.
+    /// To alter the position of the `AtlasImageBundle`, use the properties of the [`Style`] component.
     pub transform: Transform,
     /// The global transform of the node
     ///
     /// This field is automatically managed by the UI layout system.
-    /// To alter the position of the `NodeBundle`, use the properties of the [`Style`] component.
+    /// To alter the position of the `AtlasImageBundle`, use the properties of the [`Style`] component.
     pub global_transform: GlobalTransform,
     /// Describes the visibility properties of the node
     pub visibility: Visibility,
@@ -180,12 +174,12 @@ pub struct TextBundle {
     /// The transform of the node
     ///
     /// This field is automatically managed by the UI layout system.
-    /// To alter the position of the `NodeBundle`, use the properties of the [`Style`] component.
+    /// To alter the position of the `TextBundle`, use the properties of the [`Style`] component.
     pub transform: Transform,
     /// The global transform of the node
     ///
     /// This field is automatically managed by the UI layout system.
-    /// To alter the position of the `NodeBundle`, use the properties of the [`Style`] component.
+    /// To alter the position of the `TextBundle`, use the properties of the [`Style`] component.
     pub global_transform: GlobalTransform,
     /// Describes the visibility properties of the node
     pub visibility: Visibility,
@@ -292,12 +286,12 @@ pub struct ButtonBundle {
     /// The transform of the node
     ///
     /// This field is automatically managed by the UI layout system.
-    /// To alter the position of the `NodeBundle`, use the properties of the [`Style`] component.
+    /// To alter the position of the `ButtonBundle`, use the properties of the [`Style`] component.
     pub transform: Transform,
     /// The global transform of the node
     ///
     /// This field is automatically managed by the UI layout system.
-    /// To alter the position of the `NodeBundle`, use the properties of the [`Style`] component.
+    /// To alter the position of the `ButtonBundle`, use the properties of the [`Style`] component.
     pub global_transform: GlobalTransform,
     /// Describes the visibility properties of the node
     pub visibility: Visibility,