[fenix] For https://github.com/mozilla-mobile/fenix/issues/22965 - Remove Toolbar background from the description of Layer 3 design color token

app/src/main/java/org/mozilla/fenix/theme/FirefoxTheme.kt

@@ -190,7 +190,7 @@ class FirefoxColors(
     // Card background, Menu background
     var layer2 by mutableStateOf(layer2)
         private set
-    // App Bar Top, App Bar Bottom, Toolbar background, Frontlayer header
+    // App Bar Top, App Bar Bottom, Frontlayer header
     var layer3 by mutableStateOf(layer3)
         private set
     // Frontlayer header (edit), Header (edit)

app/src/main/res/values-night/colors.xml

@@ -10,7 +10,7 @@
     <color name="fx_mobile_layer_color_1" tools:ignore="UnusedResources">@color/photonDarkGrey80</color>
     <!-- Card background, Menu background -->
     <color name="fx_mobile_layer_color_2" tools:ignore="UnusedResources">@color/photonDarkGrey50</color>
-    <!-- App Bar Top, App Bar Bottom, Toolbar background, Frontlayer header -->
+    <!-- App Bar Top, App Bar Bottom, Frontlayer header -->
     <color name="fx_mobile_layer_color_3" tools:ignore="UnusedResources">@color/photonDarkGrey60</color>
     <!-- Frontlayer header (edit), Header (edit) -->
     <color name="fx_mobile_layer_color_accent" tools:ignore="UnusedResources">@color/photonViolet40</color>

app/src/main/res/values/colors.xml

@@ -10,7 +10,7 @@
     <color name="fx_mobile_layer_color_1" tools:ignore="UnusedResources">@color/photonLightGrey20</color>
     <!-- Card background, Menu background -->
     <color name="fx_mobile_layer_color_2" tools:ignore="UnusedResources">@color/photonWhite</color>
-    <!-- App Bar Top, App Bar Bottom, Toolbar background, Frontlayer header -->
+    <!-- App Bar Top, App Bar Bottom, Frontlayer header -->
     <color name="fx_mobile_layer_color_3" tools:ignore="UnusedResources">@color/photonLightGrey10</color>
     <!-- Frontlayer header (edit), Header (edit) -->
     <color name="fx_mobile_layer_color_accent" tools:ignore="UnusedResources">@color/photonViolet90</color>