checkout fields

child functions.pnp

<?php
add_filter( 'woocommerce_checkout_fields' , 'custom_override_checkout_fields' );
function custom_override_checkout_fields( $fields ) {
    unset($fields['billing']['billing_company']);
    unset($fields['billing']['billing_address_1']);
    unset($fields['billing']['billing_address_2']);
    unset($fields['billing']['billing_city']);
    unset($fields['billing']['billing_postcode']);
    unset($fields['billing']['billing_country']);
    unset($fields['billing']['billing_state']);
    unset($fields['billing']['billing_phone']);
    unset($fields['billing']['billing_address_2']);
    unset($fields['billing']['billing_postcode']);
    unset($fields['billing']['billing_company']);
    unset($fields['billing']['billing_city']);

	    return $fields; 
}

// Hook in
add_filter( 'woocommerce_checkout_fields' , 'custom_override_checkout_fields' );

// Our hooked in function - $fields is passed via the filter!
function custom_override_checkout_fields( $fields ) {
     $fields['order']['order_comments']['placeholder'] = 'We need you to type in the addresses here';
     $fields['order']['order_comments']['label'] = 'Be sure they are correct. Thanks!';
     return $fields;
}
	
//set the default quantity to one//
add_filter( 'woocommerce_quantity_input_args', 'jk_woocommerce_quantity_input_args', 10, 2 );
function jk_woocommerce_quantity_input_args( $args, $product ) {
    $args['input_value'] 	= 1;

//Increment Buttons//
add_action( 'wp_enqueue_scripts', 'wcs_dequeue_quantity' );
function wcs_dequeue_quantity() {
    wp_dequeue_style( 'wcqi-css' );
}
add_action( 'wp_enqueue_scripts', 'wcqi_enqueue_polyfill' );
function wcqi_enqueue_polyfill() {
    wp_enqueue_script( 'wcqi-number-polyfill' );
}
/* Custom Code to get WooCommerce One Page Checkout to work with The One Pager */
class SG_OPC_Mods {
    private static $modified_opc_properties = false;
    public static function init() {
        add_action( 'wp_enqueue_scripts', array( __CLASS__, 'always_load_opc' ), 5 );
        add_filter( 'is_wcopc_checkout', '__return_true' );
    }
    public static function always_load_opc() {
        global $post;
        if ( class_exists( 'PP_One_Page_Checkout' ) && false === PP_One_Page_Checkout::$add_scripts ) {
            PP_One_Page_Checkout::$add_scripts       = true;
            PP_One_Page_Checkout::$shortcode_page_id = $post->ID;
            PP_One_Page_Checkout::enqueue_scripts();
            self::$modified_opc_properties = true;
        }
    }
}
SG_OPC_Mods::init();

Thanks for SG_OPC_Mods!

BRO!! Yes ditto what @altendorfme said! SG_OPC_Mods is brilliant!

@BurlesonBrad Thank you very much for the SG_OPC_Mods!! Life saver!