[wallet] remove unused GetScriptForMining

Author: Sjors

src/wallet/wallet.cpp

@@ -3819,17 +3819,6 @@ void CWallet::MarkReserveKeysAsUsed(int64_t keypool_id)
     }
 }
 
-void CWallet::GetScriptForMining(std::shared_ptr<CReserveScript> &script)
-{
-    std::shared_ptr<CReserveKey> rKey = std::make_shared<CReserveKey>(this);
-    CPubKey pubkey;
-    if (!rKey->GetReservedKey(pubkey))
-        return;
-
-    script = rKey;
-    script->reserveScript = CScript() << ToByteVector(pubkey) << OP_CHECKSIG;
-}
-
 void CWallet::LockCoin(const COutPoint& output)
 {
     AssertLockHeld(cs_wallet); // setLockedCoins

src/wallet/wallet.h

@@ -1065,8 +1065,6 @@ class CWallet final : public CCryptoKeyStore, public CValidationInterface
 
     const std::string& GetLabelName(const CScript& scriptPubKey) const EXCLUSIVE_LOCKS_REQUIRED(cs_wallet);
 
-    void GetScriptForMining(std::shared_ptr<CReserveScript> &script);
-
     unsigned int GetKeyPoolSize() EXCLUSIVE_LOCKS_REQUIRED(cs_wallet)
     {
         AssertLockHeld(cs_wallet); // set{Ex,In}ternalKeyPool