HandlerLogin: Remove dead code

handlers/handlerlogin.cpp

@@ -26,10 +26,6 @@ SOFTWARE.
 
 Response HandlerLogin::handleRequest(const Request &r)
 {
-	auto createErrorReesponse = [&]() {
-		return errorResponse("Login error", "The supplied credentials are incorrect");
-	};
-
 	if(r.param("submit") == "1")
 	{
 		std::string password = r.post("password");