Merge bitcoin/bitcoin#22764: build: Include qt sources for parsing with extract_strings.py

b59b31a build: Drop redundant qt/bitcoin.cpp (Hennadii Stepanov)
d90ad5a build: Include qt sources for parsing with extract_strings.py (Hennadii Stepanov)

Pull request description:

  On master (4fc15d1) some strings are still untranslated.

  This PR fixes this issue.

  To verify:
  1) `./autogen.sh && ./configure && make -C src translate` _before_ applying this change
  2) apply this change
  3) `./autogen.sh && ./configure && make -C src translate` _after_ applying this change

  The result of `git diff src/qt/bitcoinstrings.cpp`:
  ```diff
  --- a/src/qt/bitcoinstrings.cpp
  +++ b/src/qt/bitcoinstrings.cpp
  @@ -126,6 +126,7 @@ QT_TRANSLATE_NOOP("bitcoin-core", ""
   "You need to rebuild the database using -reindex to go back to unpruned "
   "mode.  This will redownload the entire blockchain"),
   QT_TRANSLATE_NOOP("bitcoin-core", "%s is set very high!"),
  +QT_TRANSLATE_NOOP("bitcoin-core", "(press q to shutdown and continue later)"),
   QT_TRANSLATE_NOOP("bitcoin-core", "-maxmempool must be at least %d MB"),
   QT_TRANSLATE_NOOP("bitcoin-core", "A fatal internal error occurred, see debug.log for details"),
   QT_TRANSLATE_NOOP("bitcoin-core", "Cannot resolve -%s address: '%s'"),
  @@ -204,6 +205,8 @@ QT_TRANSLATE_NOOP("bitcoin-core", "SQLiteDatabase: Failed to prepare statement t
   QT_TRANSLATE_NOOP("bitcoin-core", "SQLiteDatabase: Failed to read database verification error: %s"),
   QT_TRANSLATE_NOOP("bitcoin-core", "SQLiteDatabase: Unexpected application id. Expected %u, got %u"),
   QT_TRANSLATE_NOOP("bitcoin-core", "Section [%s] is not recognized."),
  +QT_TRANSLATE_NOOP("bitcoin-core", "Settings file could not be read"),
  +QT_TRANSLATE_NOOP("bitcoin-core", "Settings file could not be written"),
   QT_TRANSLATE_NOOP("bitcoin-core", "Signing transaction failed"),
   QT_TRANSLATE_NOOP("bitcoin-core", "Specified -walletdir \"%s\" does not exist"),
   QT_TRANSLATE_NOOP("bitcoin-core", "Specified -walletdir \"%s\" is a relative path"),
  @@ -242,4 +245,5 @@ QT_TRANSLATE_NOOP("bitcoin-core", "User Agent comment (%s) contains unsafe chara
   QT_TRANSLATE_NOOP("bitcoin-core", "Verifying blocks…"),
   QT_TRANSLATE_NOOP("bitcoin-core", "Verifying wallet(s)…"),
   QT_TRANSLATE_NOOP("bitcoin-core", "Wallet needed to be rewritten: restart %s to complete"),
  +QT_TRANSLATE_NOOP("bitcoin-core", "press q to shutdown"),
   };
  ```

ACKs for top commit:
  ryanofsky:
    Code review ACK b59b31a. Being able to use `_()` macro in qt would allow simplifying some code, for example replacing repetitive:
  TheCharlatan:
    ACK b59b31a

Tree-SHA512: 13d9d86b487a1b6e718ae96c198a0a927c881bf33df318412793ec9efba3a7e59cfa836204f73f5b53ff4c99edce778c11bffaa88138b80e37b71e36df6b816f

Author: fanquake

src/Makefile.qt.include

@@ -358,11 +358,14 @@ SECONDARY: $(QT_QM)
 
 $(srcdir)/qt/bitcoinstrings.cpp: FORCE
 	@test -n $(XGETTEXT) || echo "xgettext is required for updating translations"
-	$(AM_V_GEN) cd $(srcdir); XGETTEXT=$(XGETTEXT) COPYRIGHT_HOLDERS="$(COPYRIGHT_HOLDERS)" $(PYTHON) ../share/qt/extract_strings_qt.py $(libbitcoin_node_a_SOURCES) $(libbitcoin_wallet_a_SOURCES) $(libbitcoin_common_a_SOURCES) $(libbitcoin_zmq_a_SOURCES) $(libbitcoin_consensus_a_SOURCES) $(libbitcoin_util_a_SOURCES)
+	$(AM_V_GEN) cd $(srcdir); XGETTEXT=$(XGETTEXT) COPYRIGHT_HOLDERS="$(COPYRIGHT_HOLDERS)" $(PYTHON) ../share/qt/extract_strings_qt.py \
+    $(libbitcoin_node_a_SOURCES) $(libbitcoin_wallet_a_SOURCES) $(libbitcoin_common_a_SOURCES) \
+    $(libbitcoin_zmq_a_SOURCES) $(libbitcoin_consensus_a_SOURCES) $(libbitcoin_util_a_SOURCES) \
+    $(BITCOIN_QT_BASE_CPP) $(BITCOIN_QT_WINDOWS_CPP) $(BITCOIN_QT_WALLET_CPP) $(BITCOIN_QT_H) $(BITCOIN_MM)
 
 # The resulted bitcoin_en.xlf source file should follow Transifex requirements.
 # See: https://docs.transifex.com/formats/xliff#how-to-distinguish-between-a-source-file-and-a-translation-file
-translate: $(srcdir)/qt/bitcoinstrings.cpp $(QT_FORMS_UI) $(QT_FORMS_UI) $(BITCOIN_QT_BASE_CPP) qt/bitcoin.cpp $(BITCOIN_QT_WINDOWS_CPP) $(BITCOIN_QT_WALLET_CPP) $(BITCOIN_QT_H) $(BITCOIN_MM)
+translate: $(srcdir)/qt/bitcoinstrings.cpp $(QT_FORMS_UI) $(QT_FORMS_UI) $(BITCOIN_QT_BASE_CPP) $(BITCOIN_QT_WINDOWS_CPP) $(BITCOIN_QT_WALLET_CPP) $(BITCOIN_QT_H) $(BITCOIN_MM)
 	@test -n $(LUPDATE) || echo "lupdate is required for updating translations"
 	$(AM_V_GEN) QT_SELECT=$(QT_SELECT) $(LUPDATE) -no-obsolete -I $(srcdir) -locations relative $^ -ts $(srcdir)/qt/locale/bitcoin_en.ts
 	@test -n $(LCONVERT) || echo "lconvert is required for updating translations"