Remove async await issue comments

Thanks for the review!

src/Web/WebMVC/Services/Utilities/HttpApiClient.cs

@@ -16,19 +16,7 @@ namespace WebMVC.Services.Utilities
             _client = new HttpClient();
             _logger = new LoggerFactory().CreateLogger(nameof(HttpApiClientWrapper));
         }
-
+        
-        // Notice that these (and other methods below) are Task
-        // returning asynchronous methods. But, they do not
-        // have the 'async' modifier, and do not contain
-        // any 'await statements. In each of these methods,
-        // the only asynchronous call is the last (or only)
-        // statement of the method. In those instances,
-        // a Task returning method that does not use the 
-        // async modifier is preferred. The compiler generates
-        // synchronous code for this method, but returns the 
-        // task from the underlying asynchronous method. The
-        // generated code does not contain the state machine
-        // generated for asynchronous methods.
         public Task<string> GetStringAsync(string uri) =>
             _client.GetStringAsync(uri);