Changed hidden from favorites to removed from favorites

    <!--  Title of show all contacts button -->

    <string name="show_all_contacts_button_text">All contacts</string>

    <!--  Text displayed when user swipes out a favorite contact -->

    <string name="favorite_hidden">Hidden from favorites</string>

    <string name="favorite_hidden">Removed from favorites</string>

    <!--  Text displayed for the undo button to undo removing a favorite contact -->

    <string name="favorite_hidden_undo">Undo</string>