refactor: Remove override for final overriders

src/interfaces/chain.cpp

@@ -127,7 +127,7 @@ public:
         ::tableRPC.appendCommand(m_command.name, &m_command);
     }
 
-    void disconnect() override final
+    void disconnect() final
     {
         if (m_wrapped_command) {
             m_wrapped_command = nullptr;

src/script/descriptor.cpp

@@ -481,7 +481,7 @@ public:
         return AddChecksum(ret);
     }
 
-    bool ToPrivateString(const SigningProvider& arg, std::string& out) const override final
+    bool ToPrivateString(const SigningProvider& arg, std::string& out) const final
     {
         bool ret = ToStringHelper(&arg, out, true);
         out = AddChecksum(out);