wallet: Don't override signing errors

Author: fjahr

src/wallet/wallet.cpp

@@ -2481,23 +2481,6 @@ bool CWallet::SignTransaction(CMutableTransaction& tx, const std::map<COutPoint,
     }
 
     // At this point, one input was not fully signed otherwise we would have exited already
-    // Find that input and figure out what went wrong.
-    for (unsigned int i = 0; i < tx.vin.size(); i++) {
-        // Get the prevout
-        CTxIn& txin = tx.vin[i];
-        auto coin = coins.find(txin.prevout);
-        if (coin == coins.end() || coin->second.IsSpent()) {
-            input_errors[i] = "Input not found or already spent";
-            continue;
-        }
-
-        // Check if this input is complete
-        SignatureData sigdata = DataFromTransaction(tx, i, coin->second.out);
-        if (!sigdata.complete) {
-            input_errors[i] = "Unable to sign input, missing keys";
-            continue;
-        }
-    }
     return false;
 }