Reverted the version() function

include/spdlog/spdlog.h

@@ -103,10 +103,6 @@ void shutdown();
 // Automatic registration of loggers when using spdlog::create() or spdlog::create_async
 void set_automatic_registration(bool automatic_registation);
 
-// return spdlog version
-std::string version();
-
-
 // API for using default logger (stdout_color_mt),
 // e.g: spdlog::info("Message {}", 1);
 //