Remove unused LegacyDataSPKM::HaveWatchOnly()

Author: MarcoFalke

src/wallet/scriptpubkeyman.cpp

@@ -1,4 +1,4 @@
-// Copyright (c) 2019-2022 The Bitcoin Core developers
+// Copyright (c) 2019-present The Bitcoin Core developers
 // Distributed under the MIT software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
@@ -343,12 +343,6 @@ bool LegacyDataSPKM::HaveWatchOnly(const CScript &dest) const
     return setWatchOnly.count(dest) > 0;
 }
 
-bool LegacyDataSPKM::HaveWatchOnly() const
-{
-    LOCK(cs_KeyStore);
-    return (!setWatchOnly.empty());
-}
-
 bool LegacyDataSPKM::LoadWatchOnly(const CScript &dest)
 {
     return AddWatchOnlyInMem(dest);

src/wallet/scriptpubkeyman.h

@@ -1,4 +1,4 @@
-// Copyright (c) 2019-2022 The Bitcoin Core developers
+// Copyright (c) 2019-present The Bitcoin Core developers
 // Distributed under the MIT software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
@@ -241,8 +241,6 @@ class LegacyDataSPKM : public ScriptPubKeyMan, public FillableSigningProvider
     bool LoadWatchOnly(const CScript &dest);
     //! Returns whether the watch-only script is in the wallet
     bool HaveWatchOnly(const CScript &dest) const;
-    //! Returns whether there are any watch-only things in the wallet
-    bool HaveWatchOnly() const;
     //! Adds a key to the store, without saving it to disk (used by LoadWallet)
     bool LoadKey(const CKey& key, const CPubKey &pubkey);
     //! Adds an encrypted key to the store, without saving it to disk (used by LoadWallet)