logger class cleanup

example/bench.cpp

@@ -21,7 +21,7 @@ int main(int argc, char* argv[])
     const unsigned int howmany = argc <= 1 ? 500000 : atoi(argv[1]);
 
     std::string pattern = "%Y:%m:%d %H:%M:%S.%e [%n:%l] %t";
-    auto formatter1 = std::unique_ptr<formatters::formatter>(new formatters::pattern_formatter(pattern));
+    auto formatter1 = std::unique_ptr<formatter>(new pattern_formatter(pattern));
 
     logger cout_logger("bench",  std::make_shared<sinks::stderr_sink_mt>() , std::move(formatter1));
     cout_logger.info() << "Hello logger";
@@ -29,7 +29,7 @@ int main(int argc, char* argv[])
     auto nullsink = std::make_shared<sinks::null_sink<details::null_mutex>>();
 
 
-    auto formatter2 = std::unique_ptr<formatters::formatter>(new formatters::pattern_formatter(pattern));
+    auto formatter2 = std::unique_ptr<formatter>(new pattern_formatter(pattern));
     logger my_logger("my_logger",  nullsink, std::move(formatter2));
     //logger my_logger("my_logger", nullsink);