refactor: drop several circular dependencies by removing unused headers

These unused headers has been found by running iwyu linter

Author: knst

src/logging.cpp

@@ -6,7 +6,6 @@
 #include <fs.h>
 #include <logging.h>
 #include <util/string.h>
-#include <util/system.h>
 #include <util/threadnames.h>
 #include <util/time.h>
 

src/qt/guiutil.cpp

@@ -9,7 +9,6 @@
 #include <qt/bitcoinaddressvalidator.h>
 #include <qt/bitcoingui.h>
 #include <qt/bitcoinunits.h>
-#include <qt/optionsdialog.h>
 #include <qt/qvalidatedlineedit.h>
 #include <qt/sendcoinsrecipient.h>
 

src/wallet/wallet.cpp

@@ -42,7 +42,6 @@
 #include <wallet/coincontrol.h>
 #include <wallet/coinselection.h>
 #include <wallet/context.h>
-#include <wallet/fees.h>
 #include <warnings.h>
 
 #include <coinjoin/common.h>

test/lint/lint-circular-dependencies.py

@@ -19,7 +19,6 @@
     "qt/addresstablemodel -> qt/walletmodel -> qt/addresstablemodel",
     "qt/recentrequeststablemodel -> qt/walletmodel -> qt/recentrequeststablemodel",
     "qt/transactiontablemodel -> qt/walletmodel -> qt/transactiontablemodel",
-    "wallet/fees -> wallet/wallet -> wallet/fees",
     "wallet/wallet -> wallet/walletdb -> wallet/wallet",
     "node/coinstats -> validation -> node/coinstats",
     # Dash
@@ -59,21 +58,13 @@
     "llmq/signing -> llmq/signing_shares -> llmq/signing",
     "llmq/signing -> net_processing -> llmq/signing",
     "llmq/signing_shares -> net_processing -> llmq/signing_shares",
-    "logging -> util/system -> logging",
-    "logging -> util/system -> stacktraces -> logging",
-    "logging -> util/system -> sync -> logging",
-    "logging -> util/system -> sync -> logging/timer -> logging",
-    "logging -> util/system -> util/getuniquepath -> random -> logging",
     "masternode/payments -> validation -> masternode/payments",
     "net -> netmessagemaker -> net",
     "net_processing -> spork -> net_processing",
     "netaddress -> netbase -> netaddress",
     "qt/appearancewidget -> qt/guiutil -> qt/appearancewidget",
-    "qt/appearancewidget -> qt/guiutil -> qt/optionsdialog -> qt/appearancewidget",
     "qt/bitcoinaddressvalidator -> qt/guiutil -> qt/bitcoinaddressvalidator",
     "qt/bitcoingui -> qt/guiutil -> qt/bitcoingui",
-    "qt/guiutil -> qt/optionsdialog -> qt/guiutil",
-    "qt/guiutil -> qt/optionsdialog -> qt/optionsmodel -> qt/guiutil",
     "qt/guiutil -> qt/qvalidatedlineedit -> qt/guiutil",
     "wallet/coinjoin -> wallet/receive -> wallet/coinjoin",
 )