Remove dead code (#79116)

Author: CyrusNajmabadi

src/Workspaces/SharedUtilitiesAndExtensions/Compiler/CSharp/Formatting/CSharpFormattingOptions2.cs

@@ -8,10 +8,6 @@
 using Microsoft.CodeAnalysis.Options;
 using Microsoft.CodeAnalysis.Formatting;
 
-#if CODE_STYLE
-using CSharpWorkspaceResources = Microsoft.CodeAnalysis.CSharp.CSharpCodeStyleResources;
-#endif
-
 namespace Microsoft.CodeAnalysis.CSharp.Formatting;
 
 internal static partial class CSharpFormattingOptions2