DOCG-4356 Update Rendering Layers UI descriptions

Update Rendering Layer documentation following the changes to the UI in 2023.3.

Jira ticket: https://jira.unity3d.com/browse/DOCG-4356

Author: markg-unity

Packages/com.unity.render-pipelines.universal/Documentation~/features/rendering-layers.md

@@ -36,11 +36,9 @@ When you enable Rendering Layers for Decals, Unity shows the **Rendering Layers*
 
 To edit the names of Rendering Layers:
 
-1. Go to **Project Settings** > **Graphics** > **URP Global Settings**.
+1. Go to **Project Settings** > **Tags and Layers**.
 
-2. Edit the Rendering Layer names in the **Rendering Layers (3D)** section.
-
-    ![Graphics > URP Global Settings > Rendering Layers (3D)](../Images/Inspectors/global-settings.png)<br/>*Graphics > URP Global Settings > Rendering Layers (3D)*
+2. Edit the Rendering Layer names in the **Rendering Layers** section.
 
 ## <a name="how-to-rendering-layers"></a>How to use Rendering Layers with Lights
 
@@ -60,9 +58,7 @@ To implement the example:
 
 2. Create two Point Lights (call them `A`, and `B`) and two Spheres (call them `C`, and `D`). Position the objects so that both Spheres are within the emission range of Lights.
 
-3. Go to **Project Settings > Graphics > URP Global Settings**. Rename Rendering Layer 1 to `Red`, and Layer 2 to `Green`.
-
-    ![URP Global Settings](../Images/lighting/rendering-layers/rendering-layers-urp-global-settings.png)
+3. Go to **Project Settings** > **Tags and Layers**. Rename Rendering Layer 1 to `Red`, and Layer 2 to `Green`.
 
 4. Select Light `A`, change its color to green. Select Light `B`, change its color to red. With this setup, both Lights affect both Spheres.
 
@@ -120,9 +116,7 @@ To implement the example:
 
 2. [Create a Decal Projector](../renderer-feature-decal.md#how-to-use-the-feature) in the scene.
 
-3. Go to **Project Settings > Graphics > URP Global Settings**. Add a Rendering Layer called `Receive decals`.
-
-    ![URP Global Settings](../Images/lighting/rendering-layers/rendering-layers-global-settings-decals.png)
+3. Go to **Project Settings** > **Tags and Layers**. Add a Rendering Layer called `Receive decals`.
 
 4. Select the Decal Projector. In the Rendering Layers property, select `Receive decals`.
 

Packages/com.unity.render-pipelines.universal/Documentation~/urp-global-settings.md

@@ -6,10 +6,6 @@ The section contains the following settings that let you define project-wide set
 
 You can also add your own settings. Refer to [Add custom settings](https://docs.unity3d.com/Packages/[email protected]/manual/add-custom-graphics-settings.md) in the Scriptable Render Pipeline (SRP) Core manual for more information.
 
-## Rendering Layers (3D)
-
-Use this section to define the names of Rendering Layers. Rendering Layers only work with 3D Renderers.
-
 ## Shader Stripping
 
 The check boxes in this section define which shader variants Unity strips when you build the Player.