Force remove BrainTree billing fields on checkout and billing

hide-braintree-billing-address-fields.php

<?php // Do NOT copy this line

function hide_address_on_billing_update_if_braintree() {
	global $pmpro_pages, $gateway;
	// Bail if necessary
	if ( empty( $pmpro_pages ) || ( ! is_page( $pmpro_pages['checkout'] ) && ! is_page( $pmpro_pages['billing'] ) ) ) {
		return;
	}
	// Filter out BrainTree billing fields
	if ( ! empty( $gateway ) && 'braintree' === $gateway ) {
		add_filter( 'pmpro_include_billing_address_fields', '__return_false' );
	}

}
add_action( 'wp_head', 'hide_address_on_billing_update_if_braintree' );

function my_pmpro_not_required_billing_fields( $fields ) {
	if ( is_array( $fields ) ) {
		unset( $fields['bfirstname'] );
		unset( $fields['blastname'] );
		unset( $fields['baddress1'] );
		unset( $fields['baddress2'] );
		unset( $fields['bcity'] );
		unset( $fields['bstate'] );
		unset( $fields['bzipcode'] );
		unset( $fields['bcountry'] );
		unset( $fields['bphone'] );
	}
	return $fields;
}
//run it later in the queue if necessary if other plugins or code sets fields required, e.g. change 50 to a higher number.
add_action( 'pmpro_required_billing_fields', 'my_pmpro_not_required_billing_fields', 50, 1 );