Issue 6724 - Build fails due to missing string resources

mobile/android/base/java/org/mozilla/gecko/util/UnusedResourcesUtil.java

 package org.mozilla.gecko.util;
 
 import org.mozilla.gecko.R;
 
 /**
  * (linter: UnusedResources) We use resources in places Android Lint can't check (e.g. JS) - this is
  * a set of those references so Android Lint stops complaining.
  */
 @SuppressWarnings("unused")
 final class UnusedResourcesUtil {
@@ skipping 54 matching lines @@
             R.drawable.suggestedsites_amazon,
             R.drawable.suggestedsites_facebook,
             R.drawable.suggestedsites_restricted_fxsupport,
             R.drawable.suggestedsites_restricted_mozilla,
             R.drawable.suggestedsites_twitter,
             R.drawable.suggestedsites_webmaker,
             R.drawable.suggestedsites_wikipedia,
             R.drawable.suggestedsites_youtube,
     };
 
+    // Removed bookmarkdefaults strings
+    // See https://issues.adblockplus.org/ticket/6724
     public static final int[] USED_IN_BOOKMARKDEFAULTS = {
             R.raw.bookmarkdefaults_favicon_addons,
             R.raw.bookmarkdefaults_favicon_support,
             R.raw.bookmarkdefaults_favicon_restricted_support,
             R.raw.bookmarkdefaults_favicon_restricted_webmaker,
-            R.string.bookmarkdefaults_title_restricted_support,
-            R.string.bookmarkdefaults_url_restricted_support,
-            R.string.bookmarkdefaults_title_restricted_webmaker,
-            R.string.bookmarkdefaults_url_restricted_webmaker,
     };
 
     public static final int[] USED_IN_PREFS = {
             R.xml.preferences_advanced,
             R.xml.preferences_accessibility,
             R.xml.preferences_home,
             R.xml.preferences_privacy,
             R.xml.preferences_privacy_clear_tablet,
             R.xml.preferences_default_browser_tablet
     };
 
     // String resources that are used in the full-pane Activity Stream that are temporarily
     // not needed while Activity Stream is part of the HomePager
     public static final int[] TEMPORARY_UNUSED_ACTIVITY_STREAM = {
             R.string.activity_stream_topsites
     };
 
     public static final int[] USED_IN_PAGE_ACTION = {
             R.drawable.add_to_homescreen
     };
 }