Remove coin name from localization files, define it from COIN_NAME env var, remove COIN env var from build args, COIN -> EXCHANGE_RATES_COIN (add backward compatibility)
text: gettext("Amount of") <> " " <> gettext("Ether") <> " " <> gettext("burned for this transaction. Equals Block Base Fee per Gas * Gas Used.") %>
text: gettext("Amount of") <> " " <> Explorer.coin_name() <> " " <> gettext("burned for this transaction. Equals Block Base Fee per Gas * Gas Used.") %>