WooCommerce Nested Category Layout: hide the subcategory image in the nested categories layout.

wc-nested-category-layout-hide-cat-images.php

<?php

// Add the code below to the bottom of your current theme's functions.php:

function woocommerce_nested_category_products_content_section( $categories, $product_category_ids ) {
	global $wp_query, $wc_nested_category_layout;

	$title = '';
	$term = '';

	// Build up the sub-category title, starting with the title of the current page category
	if ( is_product_category() ) {
		$term = get_term_by( 'slug', get_query_var( $wp_query->query_vars['taxonomy'] ), $wp_query->query_vars['taxonomy'] );
		$title = '<span>' . $term->name . '</span>';
	}

	// add any saved up category titles, along with the current
	foreach ( $categories as $title_cat ) {
		$url = esc_attr( get_term_link( $title_cat ) );
		$title .= ( $title ? ' - ' : '' ) . '<a href="' . $url . '">' . wptexturize( $title_cat->name ) . '</a>';
	}

	// subcategory header
	echo wp_kses_post( apply_filters( 'wc_nested_category_layout_category_title_html', sprintf( '<h2 class="wc-nested-category-layout-category-title">%s</h2>', $title ), $categories, $term ) );


	// optional thumbnail/description of the category
	$category = $categories[ count( $categories ) - 1 ];

	// Optional category description
	if ( $category->description ) {
		$description = apply_filters( 'the_content', $category->description );
		if ( $description ) {
			echo '<div class="subcategory-term_description term_description">' . $description . '</div>';
		}
	}

	WC_Nested_Category_Layout_Plugin_Compatibility::wc_get_template( 'loop/nested-category.php', array( 'woocommerce_product_category_ids' => $product_category_ids, 'category' => $title_cat ), '', $wc_nested_category_layout->plugin_path() . '/templates/' );
}

Hi, with current version of the plugin (1.8.0) you can use this :
add_filter( 'wc_nested_category_layout_category_image', '__return_empty_string');