For our customization want to remove woocommerce related products programmatically then place the following snippet in functions.php within your theme folder!.
The remove_action can be used for removing the related products from woocommerce page.
remove_action( 'woocommerce_after_single_product_summary', 'woocommerce_output_related_products',20); remove_action( 'woocommerce_after_single_product', 'woocommerce_output_related_products',10);
Have any doubt, then comment here!