Edited language files

BANK_ACCOUNT_NUMBER, BANK_CODE, MESSAGE_PAYMENT_BANK_CODE_INVALID,
MESSAGE_PAYMENT_ACCOUNT_NUMBER_INVALID,
SHOP_CONFIG_SHOWTSINTERNATIONALFEESMESSAGE, SHOP_CONFIG_SHOWTSCODMESSAGE
HELP_SHOP_CONFIG_SHOWTSINTERNATIONALFEESMESSAGE,
HELP_SHOP_CONFIG_SHOWTSCODMESSAGE