[fenix] For https://github.com/mozilla-mobile/fenix/issues/21973 - Remove @color/top_site_title_text_light_theme redirection

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

@@ -26,7 +26,6 @@
     <color name="dark_grey_90_gradient_start">@color/photonDarkGrey90</color>
     <color name="dark_grey_90_gradient_end">#0015141A</color>
     <color name="synced_tabs_separator_light_theme">@color/photonLightGrey30</color>
-    <color name="top_site_title_text_light_theme">@color/photonDarkGrey90</color>
     <color name="toolbar_start_gradient_light_theme">@color/foundation_light_theme</color>
     <color name="toolbar_center_gradient_light_theme">@color/foundation_light_theme</color>
     <color name="toolbar_end_gradient_light_theme">@color/foundation_light_theme</color>
@@ -227,7 +226,7 @@
     <color name="bookmark_favicon_background">#DFDFE3</color>
 
     <!-- Top site colors -->
-    <color name="top_site_title_text">@color/top_site_title_text_light_theme</color>
+    <color name="top_site_title_text">@color/photonDarkGrey90</color>
     <color name="top_site_pager_dot">@color/photonLightGrey30</color>
     <color name="top_site_pager_dot_selected">@color/photonLightGrey50</color>
     <color name="top_site_pin_icon_color">@color/foundation_dark_theme</color>