Apply suggestions from code review

Co-authored-by: Eric Erhardt <[email protected]>

Author: benaadams

Diff for: frameworks/CSharp/aspnetcore/PlatformBenchmarks/BenchmarkApplication.Fortunes.cs

@@ -14,8 +14,8 @@ public partial class BenchmarkApplication
     {
         private static ReadOnlySpan<byte> _fortunesPreamble =>
             "HTTP/1.1 200 OK\r\n"u8 +
-            "Server: K"u8 + "\r\n"u8 +
-            "Content-Type: text/html; charset=UTF-8"u8 + "\r\n"u8 +
+            "Server: K\r\n"u8 +
+            "Content-Type: text/html; charset=UTF-8\r\n"u8 +
             "Content-Length: "u8;
 
         private async Task Fortunes(PipeWriter pipeWriter)

Diff for: frameworks/CSharp/aspnetcore/PlatformBenchmarks/BenchmarkApplication.Json.cs

@@ -12,8 +12,8 @@ public partial class BenchmarkApplication
 
     private static ReadOnlySpan<byte> _jsonPreamble =>
         "HTTP/1.1 200 OK\r\n"u8 +
-        "Server: K"u8 + "\r\n"u8 +
-        "Content-Type: application/json"u8 + "\r\n"u8 +
+        "Server: K\r\n"u8 +
+        "Content-Type: application/json\r\n"u8 +
         "Content-Length: 27"u8;
 
     private static void Json(ref BufferWriter<WriterAdapter> writer, IBufferWriter<byte> bodyWriter)

Diff for: frameworks/CSharp/aspnetcore/PlatformBenchmarks/BenchmarkApplication.cs

@@ -14,8 +14,7 @@ namespace PlatformBenchmarks;
 
 public partial class BenchmarkApplication
 {
-    private static ReadOnlySpan<byte> _applicationName => "Kestrel Platform-Level Application"u8;
-    public static ReadOnlySpan<byte> ApplicationName => _applicationName;
+    public static ReadOnlySpan<byte> ApplicationName => "Kestrel Platform-Level Application"u8;
 
     private static ReadOnlySpan<byte> _crlf => "\r\n"u8;
     private static ReadOnlySpan<byte> _eoh => "\r\n\r\n"u8; // End Of Headers