Remove Post Status From Date Column

<?php
class Remove_Post_Status_From_Date_Column {

    function __construct() {
        add_filter( 'manage_posts_columns',              array( $this, 'replace_date_column' ) );
        add_filter( 'manage_edit-post_sortable_columns', array( $this, 'replace_sortable_date_column' ) );
        add_action( 'manage_posts_custom_column',        array( $this, 'display_short_date_column' ) );
        add_action( 'admin_enqueue_scripts',             array( $this, 'add_inline_style' ) );
    }

    function replace_date_column( $posts_columns ) {
        unset( $posts_columns['date'] );

        $posts_columns['date-short'] = __( 'Date' );

        return $posts_columns;
    }

    function replace_sortable_date_column( $sortable_columns ) {
        unset( $sortable_columns['date'] );

        $sortable_columns['date-short'] = array( 'date', true );

        return $sortable_columns;
    }

    function display_short_date_column( $column_name ) {
        global $mode;

        if ( 'date-short' !== $column_name ) {
            return;
        }

        $post = get_post();

        if ( '0000-00-00 00:00:00' === $post->post_date ) {
            $t_time = $h_time = __( 'Unpublished' );
            $time_diff = 0;
        } else {
            $t_time = get_the_time( __( 'Y/m/d g:i:s a' ) );
            $m_time = $post->post_date;
            $time = get_post_time( 'G', true, $post );

            $time_diff = time() - $time;

            if ( $time_diff > 0 && $time_diff < DAY_IN_SECONDS ) {
                $h_time = sprintf( __( '%s ago' ), human_time_diff( $time ) );
            } else {
                $h_time = mysql2date( __( 'Y/m/d' ), $m_time );
            }
        }

        if ( 'excerpt' === $mode ) {
            /** This filter is documented in wp-admin/includes/class-wp-posts-list-table.php */
            echo apply_filters( 'post_date_column_time', $t_time, $post, 'date', $mode );
        } else {
            /** This filter is documented in wp-admin/includes/class-wp-posts-list-table.php */
            echo '<abbr title="' . $t_time . '">' . apply_filters( 'post_date_column_time', $h_time, $post, 'date', $mode ) . '</abbr>';
        }
    }

    function add_inline_style( $hook_suffix ) {
        if ( 'edit.php' !== $hook_suffix ) {
            return;
        }

        wp_add_inline_style( 'wp-admin', '.fixed .column-date-short { width: 10% }' );
    }

}

new Remove_Post_Status_From_Date_Column;