Remove fmt::runtime() wrapper in logger.h

include/spdlog/logger.h

@@ -341,7 +341,7 @@ protected:
         SPDLOG_TRY
         {
             memory_buf_t buf;
-            fmt::format_to(std::back_inserter(buf), SPDLOG_FMT_RUNTIME(fmt), std::forward<Args>(args)...);
+            fmt::format_to(std::back_inserter(buf), fmt, std::forward<Args>(args)...);
             details::log_msg log_msg(loc, name_, lvl, string_view_t(buf.data(), buf.size()));
             log_it_(log_msg, log_enabled, traceback_enabled);
         }