Woocommerce remove item if that item is already is in cart.

woocommerce-remove-item-url-redirect.php

 <?php 
    global $woocommerce;
    foreach ( $woocommerce->cart->get_cart() as $cart_item_key => $cart_item ) {
      if($cart_item['product_id'] == $current_package_id ){
        $remove_url = $woocommerce->cart->get_remove_url( $cart_item_key );
        echo '<a href="'.$remove_url.'class="remove-item">Remove</a>
              <script> 
                jQuery('a.remove-item').trigger('click');
                window.location.href = "'.home_url().'/foo/";
              </script>';
      } 
    }