Disable/Hide Certain Payment method like ( cod, paypal, etc..) for certain country.

function.php

<?php
// Note for %payment-code%
// CashonDeliver = 'cod'
// PayPal = 'paypal'
// Basic Payment = 'bacs'
// Cheque payment = 'cheque'
// Mijireh Gatway = 'mijireh_checkout'

// Note for %countrycode%
// India = 'IN'
// Norway = 'NO' etc...

function payment_gateway_disable_country( $available_gateways ) {
global $woocommerce;
if ( isset( $available_gateways['%payment-code%'] ) && $woocommerce->customer->get_country() <> '%contrycode%' ) {
    unset(  $available_gateways['%payment-code%'] );
}
return $available_gateways;
}
add_filter( 'woocommerce_available_payment_gateways', 'payment_gateway_disable_country' );