Updated Examples and Recipes (markdown)

Examples-and-Recipes.md

@@ -111,8 +111,6 @@ Let's say you want to find out how many hours ahead Sydney is from LA (now).  Fi
 Because we did not specify otherwise, the default behavior is to give us the full precision of `system_clock::time_point`.  If you would prefer other behavior (e.g. minutes precision), that is easily accomplished with just a little more work:
 
 ```c++
-    using namespace date;
-    using namespace std::chrono;
     std::cout << date::format("%H:%M\n", sy.get_local_time() - la.get_local_time());
 ```