It seems the strings in `qt/bitcoin.cpp` are not translated.

E.g. `qt/bitcoin-qt -lang=cz -datadir=/tmp/a2` gives me a warning in English that the datadir does not exist.

"The transaction amount is too small to send after the fee has been deducted"),
QT_TRANSLATE_NOOP("bitcoin-core", ""
"This is the transaction fee you may pay when fee estimates are not available."),
QT_TRANSLATE_NOOP("bitcoin-core", ""
"This product includes software developed by the OpenSSL Project for use in "
"the OpenSSL Toolkit %s and cryptographic software written by Eric Young and "
"UPnP software written by Thomas Bernard."),
QT_TRANSLATE_NOOP("bitcoin-core", ""
"Total length of network version string (%i) exceeds maximum length (%i). "
"Reduce the number or size of uacomments."),
QT_TRANSLATE_NOOP("bitcoin-core", ""
"Tries to keep outbound traffic under the given target (in MiB per 24h), 0 = "
"no limit (default: %d)"),
QT_TRANSLATE_NOOP("bitcoin-core", ""
"Unable to rewind the database to a pre-fork state. You will need to "
"redownload the blockchain"),
QT_TRANSLATE_NOOP("bitcoin-core", ""
"Unsupported argument -socks found. Setting SOCKS version isn't possible "
"anymore, only SOCKS5 proxies are supported."),
QT_TRANSLATE_NOOP("bitcoin-core", ""
"Unsupported argument -whitelistalwaysrelay ignored, use -whitelistrelay and/"
"or -whitelistforcerelay."),
QT_TRANSLATE_NOOP("bitcoin-core", ""
"Use UPnP to map the listening port (default: 1 when listening and no -proxy)"),
QT_TRANSLATE_NOOP("bitcoin-core", ""
"Use hierarchical deterministic key generation (HD) after BIP32. Only has "
"effect during wallet creation/first start"),
QT_TRANSLATE_NOOP("bitcoin-core", ""
"Use separate SOCKS5 proxy to reach peers via Tor hidden services (default: "
"%s)"),