remove system_prompt_file

Author: CISC

common/arg.cpp

@@ -857,8 +857,6 @@ common_params_context common_params_parser_init(common_params & params, llama_ex
             if (!file) {
                 throw std::runtime_error(string_format("error: failed to open file '%s'\n", value.c_str()));
             }
-            // store the external file name in params
-            params.system_prompt_file = value;
             std::copy(std::istreambuf_iterator<char>(file), std::istreambuf_iterator<char>(), back_inserter(params.system_prompt));
             if (!params.system_prompt.empty() && params.system_prompt.back() == '\n') {
                 params.system_prompt.pop_back();

common/common.h

@@ -276,7 +276,6 @@ struct common_params {
     std::string prompt               = "";                                                                  // NOLINT
     std::string system_prompt        = "";                                                                  // NOLINT
     std::string prompt_file          = ""; // store the external prompt file name                           // NOLINT
-    std::string system_prompt_file   = ""; // store the external system prompt file name                    // NOLINT
     std::string path_prompt_cache    = ""; // path to file for saving/loading prompt eval state             // NOLINT
     std::string input_prefix         = ""; // string to prefix user inputs with                             // NOLINT
     std::string input_suffix         = ""; // string to suffix user inputs with                             // NOLINT