Remove unnecessary interface

Author: davidwengier

src/Razor/src/Microsoft.AspNetCore.Razor.LanguageServer/ProjectSystem/IMonitorProjectConfigurationFilePathHandler.cs

@@ -7,15 +7,18 @@
 using System.IO;
 using System.Threading;
 using System.Threading.Tasks;
+using Microsoft.AspNetCore.Razor.LanguageServer.Common;
 using Microsoft.AspNetCore.Razor.LanguageServer.EndpointContracts;
 using Microsoft.AspNetCore.Razor.Utilities;
 using Microsoft.CodeAnalysis.Razor;
 using Microsoft.CodeAnalysis.Razor.Workspaces;
+using Microsoft.CommonLanguageServerProtocol.Framework;
 using Microsoft.Extensions.Logging;
 
 namespace Microsoft.AspNetCore.Razor.LanguageServer;
 
-internal class MonitorProjectConfigurationFilePathEndpoint : IMonitorProjectConfigurationFilePathHandler, IDisposable
+[LanguageServerEndpoint(LanguageServerConstants.RazorMonitorProjectConfigurationFilePathEndpoint)]
+internal class MonitorProjectConfigurationFilePathEndpoint : IRazorNotificationHandler<MonitorProjectConfigurationFilePathParams>, IDisposable
 {
     private readonly ProjectSnapshotManagerDispatcher _dispatcher;
     private readonly WorkspaceDirectoryPathResolver _workspaceDirectoryPathResolver;