external_signer: remove ignore_errors from Enumerate()

This is undocumented and unused.

src/external_signer.cpp

@@ -21,19 +21,17 @@ const std::string ExternalSigner::NetworkArg() const
     return " --chain " + m_chain;
 }
 
-bool ExternalSigner::Enumerate(const std::string& command, std::vector<ExternalSigner>& signers, std::string chain, bool ignore_errors)
+bool ExternalSigner::Enumerate(const std::string& command, std::vector<ExternalSigner>& signers, std::string chain)
 {
     // Call <command> enumerate
     const UniValue result = RunCommandParseJSON(command + " enumerate");
     if (!result.isArray()) {
-        if (ignore_errors) return false;
         throw ExternalSignerException(strprintf("'%s' received invalid response, expected array of signers", command));
     }
     for (UniValue signer : result.getValues()) {
         // Check for error
         const UniValue& error = find_value(signer, "error");
         if (!error.isNull()) {
-            if (ignore_errors) return false;
             if (!error.isStr()) {
                 throw ExternalSignerException(strprintf("'%s' error", command));
             }
@@ -42,7 +40,6 @@ bool ExternalSigner::Enumerate(const std::string& command, std::vector<ExternalS
         // Check if fingerprint is present
         const UniValue& fingerprint = find_value(signer, "fingerprint");
         if (fingerprint.isNull()) {
-            if (ignore_errors) return false;
             throw ExternalSignerException(strprintf("'%s' received invalid response, missing signer fingerprint", command));
         }
         std::string fingerprintStr = fingerprint.get_str();

src/external_signer.h

@@ -52,7 +52,7 @@ public:
     //! @param[in,out] signers  vector to which new signers (with a unique master key fingerprint) are added
     //! @param chain            "main", "test", "regtest" or "signet"
     //! @returns success
-    static bool Enumerate(const std::string& command, std::vector<ExternalSigner>& signers, std::string chain, bool ignore_errors = false);
+    static bool Enumerate(const std::string& command, std::vector<ExternalSigner>& signers, std::string chain);
 
     //! Display address on the device. Calls `<command> displayaddress --desc <descriptor>`.
     //! @param[in] descriptor Descriptor specifying which address to display.