refactor: Nuke guiutil circular dependency

Co-authored-by: Gregory Sanders <gsanders87@gmail.com>

src/qt/guiutil.cpp

@@ -8,7 +8,6 @@
 #include <qt/bitcoinunits.h>
 #include <qt/qvalidatedlineedit.h>
 #include <qt/sendcoinsrecipient.h>
-#include <qt/walletmodel.h>
 
 #include <base58.h>
 #include <chainparams.h>

test/lint/lint-circular-dependencies.sh

@@ -28,7 +28,6 @@ EXPECTED_CIRCULAR_DEPENDENCIES=(
     "wallet/fees -> wallet/wallet -> wallet/fees"
     "wallet/wallet -> wallet/walletdb -> wallet/wallet"
     "policy/fees -> txmempool -> validation -> policy/fees"
-    "qt/guiutil -> qt/walletmodel -> qt/optionsmodel -> qt/guiutil"
     "txmempool -> validation -> validationinterface -> txmempool"
     "wallet/scriptpubkeyman -> wallet/wallet -> wallet/scriptpubkeyman"
 )