[fenix] Closes https://github.com/mozilla-mobile/fenix/issues/2990 - Remove library content descriptions from browsing data items (https://github.com/mozilla-mobile/fenix/pull/3017)

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

@@ -35,7 +35,6 @@
                 android:layout_height="wrap_content"
                 android:background="?android:attr/selectableItemBackground"
                 android:clickable="true"
-                android:contentDescription="@string/library_bookmarks"
                 android:focusable="true"
                 app:deleteBrowsingDataItemIcon="@drawable/ic_tab_circle_background"
                 app:deleteBrowsingDataItemTitle="@string/preferences_delete_browsing_data_tabs_title"
@@ -46,7 +45,6 @@
                 android:layout_height="wrap_content"
                 android:background="?android:attr/selectableItemBackground"
                 android:clickable="true"
-                android:contentDescription="@string/library_bookmarks"
                 android:focusable="true"
                 app:deleteBrowsingDataItemIcon="@drawable/library_icon_history_circle_background"
                 app:deleteBrowsingDataItemTitle="@string/preferences_delete_browsing_data_browsing_data_title"
@@ -57,7 +55,6 @@
                 android:layout_height="wrap_content"
                 android:background="?android:attr/selectableItemBackground"
                 android:clickable="true"
-                android:contentDescription="@string/library_bookmarks"
                 android:focusable="true"
                 app:deleteBrowsingDataItemIcon="@drawable/ic_collections_circle_background"
                 app:deleteBrowsingDataItemTitle="@string/preferences_delete_browsing_data_collections_title"