For #22779 - Remove @color/inset_light_theme redirection

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

@@ -91,7 +91,6 @@
     <color name="primary_text_light_theme">@color/photonInk80</color>
     <color name="contrast_text_light_theme">@color/photonLightGrey05</color>
     <color name="foundation_light_theme">@color/photonLightGrey20</color>
-    <color name="inset_light_theme">@color/photonLightGrey30</color>
     <color name="accent_light_theme">@color/photonInk20</color>
     <color name="accent_bright_light_theme">@color/photonViolet70</color>
     <color name="about_link_normal_theme">@color/photonViolet70</color>
@@ -176,7 +175,7 @@
     <color name="caption_text_normal_theme">@color/photonLightGrey90</color>
     <color name="foundation_normal_theme">@color/foundation_light_theme</color>
     <color name="above_normal_theme">@color/photonWhite</color>
-    <color name="inset_normal_theme">@color/inset_light_theme</color>
+    <color name="inset_normal_theme">@color/photonLightGrey30</color>
     <color name="accent_normal_theme">@color/accent_light_theme</color>
     <color name="accent_bright_normal_theme">@color/accent_bright_light_theme</color>
     <color name="accent_high_contrast_normal_theme">@color/accent_light_theme</color>
@@ -213,7 +212,7 @@
     <color name="mozac_widget_favicon_border_normal_theme">@color/mozac_widget_favicon_border_light_theme</color>
     <color name="notification_accent_color_normal_theme">@color/accent_bright_light_theme</color>
     <color name="menu_item_button_normal_theme">@color/accent_bright_light_theme</color>
-    <color name="recently_used_share_theme">@color/inset_light_theme</color>
+    <color name="recently_used_share_theme">@color/photonLightGrey30</color>
 
     <!-- Tab tray -->
     <color name="tab_tray_item_text_normal_theme">@color/photonInk80</color>