[Remove currenk link from menu] #Wordpress

wp_nav_menu_remove_current_link.php

class Texas_Ranger extends Walker_Nav_Menu {

    /**
     * Building the List Item element
     * @param Referenced string $output
     * @param Post Object $item
     * @param int $depth
     * @param array $args
     * @return void
     * usage wp_nav_menu( array( 'walker' => new Texas_Ranger() ) );
     */
    function start_el( &$output, $item, $depth = 0, $args = array(), $id = 0 ) {
        $indent         = ( $depth > 0 ? str_repeat( "\t", $depth ) : '' );

        // Passed Classes
        $classes = empty( $item->classes ) ? array() : (array) $item->classes;
        $class_names = esc_attr( implode( ' ', apply_filters( 'nav_menu_css_class', array_filter( $classes ), $item ) ) );

        // build html
        $output .= $indent . '<li id="nav-menu-item-'. $item->ID . '" class="' . $class_names . '">';
        $item_page_id = get_post_meta( $item->ID, '_menu_item_object_id', true );

        // If 'noLink' exists in classes, don't HTML anchor tag.
        $is_cat = false;
        if( is_category( $category ) ){
            $category = get_the_category(); 
            if ($category[0]->cat_ID == $item_page_id) $is_cat = true;
        }
        if( $item_page_id == get_the_ID() || $is_cat ) {

            // $item_output = sprintf( '<span>$1$s</span>',apply_filters( 'the_title', $item->title, $item->ID ) );
            $item_output = '<span>'.apply_filters( 'the_title', $item->title, $item->ID ).'</span>';

        } else {

            // link attributes
            $attributes  = ! empty( $item->attr_title ) ? ' title="'  . esc_attr( $item->attr_title ) .'"' : '';
            $attributes .= ! empty( $item->target )     ? ' target="' . esc_attr( $item->target     ) .'"' : '';
            $attributes .= ! empty( $item->xfn )        ? ' rel="'    . esc_attr( $item->xfn        ) .'"' : '';
            $attributes .= ! empty( $item->url )        ? ' href="'   . esc_attr( $item->url        ) .'"' : '';
            $attributes .= ' class="menu-link ' . ( $depth > 0 ? 'sub-menu-link' : 'main-menu-link' ) . '"';

            $item_output = sprintf( '%1$s<a%2$s>%3$s%4$s%5$s</a>%6$s',
                $args->before,
                $attributes,
                $args->link_before,
                apply_filters( 'the_title', $item->title, $item->ID ),
                $args->link_after,
                $args->after
            );
        }

        // build html
        $output .= apply_filters( 'walker_nav_menu_start_el', $item_output, $item, $depth, $args );
    }
}