use primary icon color for menu icon on the nav bar (#6075)

Task/Issue URL:
https://app.asana.com/1/137249556945/project/1208671518894266/task/1210248310047072?focus=true

### Description
Use primary icon color for menu icon on the nav bar.

Author: LukasPaczos

app/src/main/res/layout/view_browser_navigation_bar.xml

@@ -158,8 +158,7 @@
                 android:layout_gravity="center"
                 android:contentDescription="@string/browserPopupMenu"
                 android:scaleType="center"
-                android:src="@drawable/ic_menu_vertical_24"
-                app:tint="?daxColorPrimaryIcon" />
+                android:src="@drawable/ic_menu_vertical_24" />
         </FrameLayout>
 
     </LinearLayout>