wordpress去掉Proudly powered by WordPress Theme by XXX

<p class="meta">
                    <?php 
                        printf( esc_html__( ‘Proudly powered by %s‘, ‘hacker‘ ), 
                            ‘<a href="‘. esc_url(‘https://wordpress.org/‘) .‘" target="_blank">WordPress</a>‘ 
                        );
                    ?>
                    </p>
                    <p class="meta">
                    <?php 
                        printf( esc_html__( ‘Theme by %s‘, ‘hacker‘ ), 
                            ‘<a href="‘. esc_url(‘http://www.liuxinyu.me/‘) .‘" target="_blank">moyu</a>‘ 
                        );
                    ?>
</p>